29. Which of the following substances are soluble in water? Select all that apply.
A)Nacl
B)AgNO3
C)Agel
D)KNO
Answers
Answer:
A, B, and D
Explanation:
I'm not too sure about D, but both Nacl and AgNO3 are both definitely soluable in water
The substances that are soluble in water are NaCl, AgNO3, and KNO. The correct option are A, B, and D.
What is solubility?The maximum amount of a substance that will dissolve in a given amount of solvent at a given temperature is defined as solubility.
Solubility is a property of a specific solute-solvent combination, and the solubilities of different substances vary greatly.
The amount of an oil that will dissolve in the water column at a given temperature and pressure is referred to as its solubility in water. The more polar the compound, the more water soluble it is.
Based on the concentration at which they dissolve in a solvent, solutes are classified as highly soluble, sparingly soluble, or insoluble.
One of the critical parameters of solubility is achieving the desired drug concentration in systemic circulation for the desired (anticipated) pharmacological response.
Thus, A, B, and D are the correct options.
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Related Questions
When does a solar Eclipse happen, and how?
Answers
Answer:
Solar Eclipse happens when the moon gets between the sun and the earth, the moon gets all the light and blocks the earth from getting sunlight.
Hope this helps ;) ❤❤❤
4 QUESTIONS PLEASEEE HELP WILL GIVE BRAINLIEST!!!!
1. How are features like trenches, plains, ridges and valleys formed on the ocean floor?
2. Where does 90% of the marine life live in oceans?
3. a. Where are nutrients abundance? b. Where do these nutrients come from?
4. How do organisms deep I the ocean get their nutrients?
Answers
Answer:
1. Converging and Diverging plates
2. In the sunlit zone
3. a.Close to coastlines and upwelling zones b. Nutrients are brought to the surface ocean from depth by the upwelling process
4. Dead organic matter that come from phytoplankton and other plants
Answer:
1. Converging and Diverging plates
2. In the sunlit zone
3. a.Close to coastlines and upwelling zones b. Nutrients are brought to the surface ocean from depth by the upwelling process
4. Dead organic matter that come from phytoplankton and other plants
Explanation:
PEASE HELP!! I NEED THIS DUE BY THIS FRIDAY!!!!
Write a scientific argument that addresses the question: Which suspect is most likely to have made the hydrofluoric acid? First, state your claim. Then, use evidence to support your claim. For each piece of evidence you use, explain how the evidence supports your claim. As you write, refer back to your completed Modeling Tool sheets and Science Seminar Evidence Cards.
Answers
Answer:
pat pat is most likely to have made the hydrochloric acid
Answer:
please im begging youif you already have the answer help a girl out and give the answers
Explanation:
What needed to be present in marine mud to form fossil fuels?
Answers
Carbon and Hydrogen.
Answer:
Mostly decaying organisms are needed to present in marine mud to form fossil fuels.
Explanation: When organisms and plants died and sank to the bottom of swamps and oceans, brown soil-like materials called peat are formed. Over millions of years, the peat became covered with sand, clay and other minerals and the peat is converted into layers of sedimentary rocks. After a long time, different type of fossil fuels are formed.
What is the charge on the Cr in Cr2O72-
Answers
Answer:
+6.
Explanation:
So, a chromium atom here has an oxidation number of +6.
What is true when a reaction reaches equilibrium? Select all that apply. *
The reaction rate is equal in both directions.
There is more product than reactant.
The reaction is faster in the backward direction.
The concentration of products and reactants is constant.
The reaction has stopped.
The reaction is faster in the forward direction.
There is more reactant than product.
Answers
Answer:
The reaction rate is equal in both directions
Explanation:
*I’m confused? Pls help, it’s due tmr*
Modeling Tool: Two Samples at the Atomic Scale
Goal: Create a model that represents a repeating group of atoms that could make up sample 2.
Answers
Answer:
PENTANE
Explanation:
In humans, these organs are part of a larger system, the ________ system.
A.) Circulatory
B.) Reproductive
C.) Digestive
D.) Nervous
Answers
c) Digestive.
The stomach, pancreas, gall bladder are all present in the digestive system.
If you have questions ask anytime ;)
What type of person studies and collects data on the weather?
Answers
HELP PLZ!! Which of the following statements is true?
A the law of conservation of mass states matter can be created or destroyed in chemical reactions.
B atoms of a specific element can have different atomic masses.
C chemical reactions rearrange the atoms in the reactants to yield the products.
D during chemical reactions the number and types of atoms in the reactants is different than the number and types of atoms in the products.
Answers
Answer:C
Explanation: The mass in an item can be rearranged to create other items if done properly.
chemical reactions rearrange the atoms in the reactants to yield the products.
Halp me need help with this question
Answers
PLS HELP!!
Mica wants to show his class how water can cause weathering. How could he show a way water causes weathering?
A. Freeze water in a cracked cup
B. Hit an ice cube with a flat rock
C. Melt an ice cube with a hot plate
D. Pour water into a blue-colored glass
Answers
Answer:
the answer is A
because water can still be called weathering, even though it's cold, and it's also in a crack
it also expands.
Can you please help me
Answers
answer:
The first in the row is correct
Who would most likely need thermal clothing?
A. a tourist on a tropical beach
B. an explorer at the South Pole
C. a dancer performing in a classical ballet
D. a woman attending a religious service
Answers
Answer:
B
Explanation:
Thermal clothing is something you wear under your regular clothing. It prevents you from getting chilly.
A is incorrect because usually a beach is warm and not really that cold. So, you would not need warm clothes.
C is incorrect because a dancer would not be most likely in need for thermal clothing. They would be okay.
D is incorrect because the woman is in a room and not it such a cold room that she would need really warm clothing.
Hope you have a great day;)
3. The Earth's core is about the size of
A. Saturn
B. Pluto
C. The United States
D. New York City
Answers
C. The United States
Earth's CoreEarth's interior is layered like an onion. The solid iron-nickel inner core — today 1,200 kilometers (745 miles) in radius, or about three-quarters the size of the moon — is surrounded by a fluid outer core of molten iron and nickel about 2,400 kilometers (1,500 miles) thick.The core holds a much bigger stash of radioactive material than anyone had suspected, and its decay is giving off heat.It is said that the Earth's core is about the size of the United states.
Thus, the correct option is C.
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Define energy and power and describe the relationship that exists between them.
Explain how this relationship affects machines or other systems. (1 point)
Your answer should be in complete sentences that describe and explain both questions.
Be sure to check your grammar and spelling.
and them is the pic
Answers
When energy is transferred to an object or has energy it moves and power is the energy put in a object, meaning they work together to move the object
Which of the following statements fully describes what an object may do when it experiences unbalanced forces? Select the two best answers.
A. It may change directions.
B. It will move at a constant speed.
C. It may slow down.
D. It may slow down or speed up.
E. It will stay stationary.
Answers
Answer:b
Explanation:
100 POINTS+BRAINLIEST: How exactly do chlorofluorocarbons harm the ozone layer?
Answers
Answer:Gaseous CFCs can deplete the ozone layer when they rise due to ultraviolet radiation
Explanation:
Answer:
when chlorofloroucarbon drift upwards toward the stratospher ,they come in contact with the ozone layer .this leads to a chemical reaction where the cfcs the molecules are broken up by ultra violent radiation releasing chlorine atoms which are able to destroy ozone molecules
When the speed of the bottle is 2 m/s, the KE is kg m2/s2. When the speed of the bottle is 3 m/s, the KE is kg m2/s2. When the speed of the bottle is 4 m/s, the KE is kg m2/s2. When the speed of the bottle is 5 m/s, the KE is kg m2/s2. When the speed of the bottle is 6 m/s, the KE is kg m2/s2.
instructions
In this part of the experiment, you will be changing the speed of the bottle by dropping it from different heights. You will use the same mass, 0.250 kg, for each trial, so record this mass in Table B for each velocity. Then, calculate the expected kinetic energy (KE) at each velocity. Use the formula KE = mv2,
where m is the mass and v is the speed. Record your calculations in Table B of your Student Guide.
Answers
Answer:
Based on the given instructions, you need to calculate the expected kinetic energy (KE) at each velocity using the formula KE = mv^2, where m is the mass and v is the speed. The mass is given as 0.250 kg.
Table B: Calculation of Kinetic Energy (KE)
Table B: Calculation of Kinetic Energy (KE)
Speed (m/s)Mass (kg)KE (kg m^2/s^2)20.2500.50030.2500.75040.2501.00050.2501.25060.2501.500
To calculate the kinetic energy at each velocity, multiply the mass (0.250 kg) by the square of the velocity.
For example, when the speed of the bottle is 2 m/s: KE = (0.250 kg) * (2 m/s)^2 = 0.250 kg * 4 m^2/s^2 = 1.000 kg m^2/s^2
Perform similar calculations for the other velocities and record the results in Table B.
Answer:
Explanation:mass of the bottle in each case is M = 0.250 kg
now as per given speeds we can use the formula of kinetic energy to find it
1) when speed is 2 m/s
kinetic energy is given as
2) when speed is 3 m/s
kinetic energy is given as
3) when speed is 4 m/s
kinetic energy is given as
4) when speed is 5 m/s
kinetic energy is given as
5) when speed is 6 m/s
kinetic energy is given as
What kind of rocks would you expect to see on Mars? What evidence supports your response?
Answers
Which statement describes an attribute of an artesian well?
O requires a bucket
O uses natural pressure
O needs a mechanical pump
O is heated by hot rocks or magma
Please only give a ONE answer.
i said/asked calmly
Answers
The statement that describes an attribute of an artesian well is B. Uses natural pressure.
Artesian wells rely on natural pressure by accessing an underground water source that is enclosed between layers of impermeable rock or clay. The water within the aquifer is naturally pressurized due to the weight of the overlying rock or the slope of the land.
When a well is drilled into the aquifer, this existing pressure allows the water to rise to the surface without the need for a mechanical pump.
This utilization of natural pressure distinguishes artesian wells from other types of wells, as they do not require artificial pumping mechanisms to extract water.
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Where is the DNA stored in a cell?
Answers
Answer: nucleus
Explanation:
Please help due soon!
The role of animals in an ecosystem is to eat plants or other animals to get the energy to live and grow. True or False
Plants use energy from the soil to make food.
Group of answer choices. True or False
Decomposers eat dead plants and other materials and release nutrients into the soil to help plants live and grow. True or False
A container to hold compost materials in their kitchen or outdoors should be easily accessible and keep out worms. True or False
Answers
Answer:
The role of animals in an ecosystem is to eat plants or other animals to get the energy to live and grow. True
Plants use energy from the soil to make food.
Group of answer choices. True and False
Decomposers eat dead plants and other materials and release nutrients into the soil to help plants live and grow. True
A container to hold compost materials in their kitchen or outdoors should be easily accessible and keep out worms. True
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Hope this Helps
The first is false, although I’m unsure.
The second is true, yet also false because they get it from the sun as well.
The Third is True.
The last is false, we wouldn’t even have compost if it weren’t for the worms..
How did this piece of evidence change your thinking about the channel on Mars? Explain your ideas below.
Answers
The piece of evidence changed thinking about the channel on Mars because it shows that the rock was formed next to flowing water as such rock formations exist on Earth and were formed by flowing water.
Was there flowing water on Mars ?The geologic process that could have created the channel on Mars is water moving. We can infer from the image that water running across the terrain on Mars created channels similar to those on Earth.
We can claim that the flowing of water creates the channels on Mars because when the water runs for a long period from the same region, it takes the sediments and creates channels.
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because _______ and _______ move in the atmosphere, weather constantly changes
Answers
Answer:
oxygen and hydrogen
Explanation:
Weather processes such as wind, clouds, and precipitation are all the result of the atmosphere responding to uneven heating of the Earth by the Sun. ... (1) VERTICAL heat transport: Solar heating of the Earth's surface makes the atmosphere convectively unstable, causing vertical air currents to develop.
After watching a documentary about fossil fuels your aunt Sheleah is really concerned about her carben footprint. Name two ways that she can reduce her carbon footprint at home.
Answers
Answer:
5 Ways to Reduce Your Carbon Footprint
learn the 5 R's: refuse, reduce, reuse, rot, recycle: Going zero waste is a great step towards combating climate change.
bike more and drive less
conserve water and protect our waterways
eat seasonally, locally, and more plants
switch to sustainable, clean energy:
Explanation:
Answer:
eating more plants,conserve water
There are 2 main types of _______. One is a _______, where electrons are shared between atoms. The other is an _______, where one atom loses an electron to become a _______ charged ion, and the other atom gains the elctron to become a _________ charged ion.
Answers
Hello..!
There are 2 main types of ions one is an atom where the electrons are shared between the atoms. the other is an electron where one atom loses an electron to become a neutral in a charged ion, and the other atom gains the electron to become a charged lon anion.
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Ions with a positive charge are known as cations. Those that are negatively charged are called anions.
¿Doubts? in the comments Greetings.
The two main types of bonds formed between atoms are ionic bonds and covalent bonds. An ionic bond is formed when one atom accepts or donates one or more of its valence electrons to another atom. A covalent bond is formed when atoms share valence electrons.
Do you think a moving skateboard has energy? Why or why not?
PLEASEEEEEE HURRY
Answers
Answer:
"Yes," a moving skateboard has energy.
When the skater seems to be in motion or throughout a movement, the potential energy converts itself into the kinetic form of energy, and then it becomes potential energy again.
Furthermore, somewhere after every movement, the same skateboarder was around a similar height, — in other words thus every time it is equally powerful.
The response is thus the right one.
Explanation:
Match each letter with the correct label. Use the atom diagram below.
Electron - Nucleus - Proton - Neutron
Answers
C= protons
B= neutron
A= electron
Answer:
Explanation: First and foremost, we must carefully examine the provided diagram in order to properly name the sections of an atom diagram.
Step-by-step instructions are given along with the answers in sequential sequence.
Correct answer for (A) is Electron since they are present at the outermost shell of an atom.The correct answer for (B) is Neutron since it is the central element of an atom.The proton is the right answer for (C), as it is included in the nucleus grouping with the neutron.The nucleus is the correct option for (D) since it is the primary component of the atom and includes both protons and neutrons.Learn more about the Atom here:
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If the Titan lake evaporated, how would the change in kinetic energy affect the speed of the molecules found in the lake? (highlight one)
The kinetic energy would increase. The molecules would move faster.
The kinetic energy would decrease. The molecules would move slower.
There would be no change in kinetic energy. The molecules would move at the same speed.
Answers
Answer:
a) The kinetic energy would increase. The molecules would move faster.