what are the 4 driving forces of chemical reactions
Answers
Answer:
I only know of two.
Source :the web
Enthalpy, H , the heat flow at constant pressure for a given process. Entropy, S , the amount of energy dispersal for a given process
Explanation:
In chemistry, driving force of a chemical reaction or "force of reaction" is the "chemical affinity" or affinity A, which is measured by negative change in the free energy (Gibbs free energy -ΔG or Helmholtz free energy -ΔH) on going from the reactants to the products
Related Questions
An electron in a hydrogen atom moves from level 3 to level1. In a second hydrogen atom, an electron drops from level 2 to 1 . Which statement describes the most likely result
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Answer:
In a second hydrogen atom, an electron drops from level 2 to 1 .
Scientists have discovered a colony of potential organisms on the Planet Moby and named them "Maxoids." Read the information below that scientists have gathered on Maxoids and decide whether Maxoids are living or nonliving things. Explain how you came to this conclusion.
Through testing and observation, scientists have recorded the following characteristics of Maxoids. Maxoids reproduce via sexual reproduction. One parent carries the Maxoid eggs for 12 weeks before they hatch. After hatching, juvenile Maxoids continue to grow for seven months. To acquire energy for growth, Maxoids consume a peculiar liquid substance native to the planet Moby. The Maxoids' cells use this energy, as well as large amounts of water, to carry out important functions. The Maxoids are sensitive to changes in internal temperature. Sometimes they dig holes and lay in them to cool down if they get too warm.
Answers
The Maxoids are living things because they possess the characteristics of living things.
What are living things?Living things are things which have life in them.
Living things are identified by the characteristics which make them living.
The characteristics of living things include:
Movement - living things are able to move all or parts of their bodyRespiration - living things are able to break down food substances to produce energyNutrition - living things are able to take in food substancesIrritability - living things are able to respond to changes around themGrowth - living things are able to increase in size and massExcretion - living things are able to remove waste substances from their bodiesReproduction - living things are able to produce new ones of their kindConsidering the Maxoids;
They are able to reproduceThey take food in the form of a liquid substanceThey are sensitive to changes in internal temperatureIn conclusion, the Maxoids are living things.
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Before there is a transfer of charges between objects, they are uncharged. What does this mean?
There are more positive charges than negative charges.
There are more negative charges than positive charges.
The positive and negative charges are equal.
The positive and negative charges do not exist.
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Answer:
The positive and negative charges do not exist.
Explanation:
The objects are uncharged, therefore there is no positive and negative charges.
The positive and negative charges do not exist because they never had a charge in the first place
How is the stimulus concept currently in our lives? (Ivan Pavlov) in TTQA
Answers
Answer:
stimulus is anything that can trigger a physical or behavioral change. The plural of stimulus is stimuli. Stimuli can be external or internal. An example of external stimuli is your body responding to a medicine. An example of internal stimuli is your vital signs changing due to a change in the body.
Simple and complex molecules are similar in that they both involve ____ atoms A water B simple C bonded D complex
Answers
Answer:
The answer is C.
Explanation:
Please give brainliest
Answer:
D
Explanation:
complex, in chemistry, a substance, either an ion or an electrically neutral molecule, formed by the union of simpler substances (as compounds or ions) and held together by forces that are chemical (i.e., dependent on specific properties of particular atomic structures) rather than physical.
if i have 17 apples and i eat 17 apples how many pears do i have?
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Answer:
If you eat all 17 apples, you will not have any apples left. However, the number of pears you have is not related to the number of apples you ate. So, the number of pears you have is unknown and not affected by the number of apples you ate.
PLEASE HELP, WILL GIVE BRAINLIEST
The image below shows models that represent the reactants and products of a chemical reaction.
Based on the image below, which of the following is true?
A. Mass could have either been gained or lost during this chemical reaction because atoms always change mass when they react.
B. Mass was lost in this chemical reaction because the atoms in the reactants are smaller than the atoms in the products.
C. Mass was conserved in this chemical reaction because the same atoms are present in both the products and the reactants.
D. Mass was gained in this chemical reaction because there are more atoms in the products than there were in the reactants.
Answers
The chemical reactions are all around us the metabolism of food in our body and how we get light from sun are all chemical reactions. Here Mass was conserved in this chemical reaction because the same atoms are present in both the products and the reactants. The correct option is C.
What is a chemical reaction?A chemical reaction is defined as one in which the bonds are broken within the reactant molecules and results in the formation of new bonds within the product molecules in order to form a new substance.
The rate of a chemical reaction is affected by several factors like pressure, temperature and the concentration of the reactants. In a chemical reaction, a chemical change must occur.
The substances which appear on the left hand side of the chemical reaction are called reactants whereas the products appear on the right hand side. Here same atoms are present in both reactants and products.
Thus the correct option is C.
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The enthalpy of formation of water is –285.8 kJ/mol. What can be inferred from this statement? The enthalpy of the products is equal to the enthalpy of the reactants. Heat is absorbed during the process. Heat is released during the process. The enthalpy of the products is more than the enthalpy of the reactants.
Answers
Answer:
Heat is released during the process.
Explanation:
From the information provided in question, the enthalpy of formation of water is –285.8 kJ/mol. This is simply an exothermic reaction.
The negative sign indicates that the enthalphy of the reactants is more than the enthalphy of the products and as such, heat is released from the system into the surroundings.
The enthalpy of formation of water is –285.8 kJ/mol means that heat is released during the process.
What is enthalpy of formation of a substance?The enthalpy of formation of a substance is the amount of heat given off or absorbed when one mole of a substance is formed from the reactants.
A positive value for enthalpy means the reaction is endothermic while a negative value for enthalpy means the reaction is endothermic.
Therefore, the enthalpy of formation of water is –285.8 kJ/mol means that the reaction is exothermic and heat is released during the process.
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What is the charge on the Cr in Cr2O72-
Answers
Answer:
+6.
Explanation:
So, a chromium atom here has an oxidation number of +6.
How does it change when it is brought inside a warm house?
Answers
Please help me por favor :'(
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Which list of formulas represents only compounds? H2, N2, O2 H2, Ne, NaCl CO2, H2O, NH3 MgO, NaCl, O2
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(1) is the only list in which each of the three symbols representations show at least two different elements
Calculate the speed of a wave that has a wavelength of 8 meters and a frequency of 16 meters per second (m/s).
Answers
Answer:
Assume that you move one end of a rope up and down just once to generate a wave in the rope. How long will take the wave to travel down the rope to the other end? It depends on the speed of the wave.
Answer for points and brainliest!! :)
What is one way these stems help these cactus plants survive?
A. They take energy from sunlight.
B. They take minerals from soil.
C. They hold the plant in the ground.
D. They make seeds for reproduction.
Answers
Answer:
B.
Explanation:
A cactus stores water in its stem, which allows it to survive and thrive in desert-like environments. Its stem is made up of thick, spongy tissue that helps to absorb and retain large amounts of water. This stored water is then used to keep the cactus hydrated during times of drought and heat.
pls i need answers to the 1st, 2nd, and 3rd question
Answers
I believe number one has 2 valance electrons
number 2 has 1 valance electron
and number 3 has 8 valance electrons
valance electrons are the electrons on the outermost ring
How can a chemical reaction be sped up?
Select from the drop-down menu to correctly complete the statement.
Pack in more of the reactant to increase the
A.) Catalyst
B.) Concentration
C.) Surface Area
D.) Temperature
.
Answers
Answer: the answer would be A) Catalyst because it can help speed up the chemical reaction
Explanation: the answer would be A) Catalyst because it can help speed up the chemical reaction. Hopes this helps :)
help me with this I only have one more
1156 g/L
= ________ kg/mL
Answers
The Answer is 0.001156.
1156 g/L = 1.156 kg/L
Since 1 L is equal to 1000 mL, we can convert kg/L to kg/mL by dividing by 1000:
1.156 kg/L = 1.156/1000 kg/mL
1.156/1000 kg/mL = 0.001156 kg/mL
Therefore, 1156 g/L is equal to 0.001156 kg/mL.
When there is a chemical reaction between hydrochloric acid and potassium hydroxide. Which substances are the reactants? Which substances are the product?
Answers
Answer:
Good question i really dont know sorry
Explanation:
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Answer:
The reaction of acids and bases and what ions are produced and the salts that form. ... Pure water is an example of a neutral substance. ... Q: If you were to combine acid and base solutions, what products do you think would be produced? ... between solutions of hydrochloric acid and sodium hydroxide.
Explanation:
Convection currents are liquid fluids that are traveling when there is a change in temperature or density inside the material.
Answers
Answer:
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Explanation:
Describe an example of a stimulus that the nervous system would react to, and describe the response created by that stimulus.
Answers
Answer:
A stimulus that the nervous system would react to a electrical impulse being made in response to the stimulus.
Explanation:
The system which send messages back and forth between the brain and the body is known as nervous system. It is the brain which controls all the body functions.
What is stimulus?The changes in the environmental conditions to which the living organisms respond is defined as the stimuli. Every organisms responds when an external stimulus acts on it. The response given to the stimulus by various organisms is known as coordination.
One of the best examples for the stimulus and response is touching a hot object and withdrawing the hand. When you accidentally touch a hot object, we will withdraw our hand automatically. Here the heat of the object is the stimulus and withdrawing hand is the response.
Similarly if we are hungry, we will eat some food. It is also an example of stimulus and response.
Thus the change in the environment is the stimulus and the reaction of the organism to it is the response.
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which two kinds of information would best help describe the climate of Denver
Answers
Answer: A and B
Explanation:
Answer:
A & B
Explanation:
Which statement accurately describes a temperate deciduous forest? (Select all that apply.)
They have no omnivores living there.
They have precipitation all year long.
They have four distinct seasons.
Then have ten months of winter.
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i need help with this
Answers
What does this diagram represent?
A) a turbine
B) a motor
C) an electromagnet
D) a generator
Answers
Answer:
Option (D) A Generator
Explanation:
A generator is an equipment that has to do with the production of electricity by the use of electromagnetic induction. The generator has split rings that make contact with the exterior.
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It is a generator since the electromagnetic radiation makes the coil and rod to spin
can praseodymium conduct electricity
Answers
Answer:
praseodymium can conduct electricity as it is one of it's conductivities
Why does this atom not want to share, lose, or gain electrons?
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So i have a question for my assignment...
"The scientific theory of plate tectonics states that the Earth's crust is composed of many plates, or stabs of rock. Interaction of these plates have created different landforms, or geologic, features. Which of the following statements provides evidence for this theory?"
A: The city of Pompeii is perfectly preserved under volcanic ash following the eruption of Mount Vesuvius.
B: A large earthquake off the coast of Japan induces a wave that is over twenty feet high.
C: Fossilized marine creatures can be found at the top of the Himalayan Mountains.
D: An iceberg buckles the hull of the titanic and allows waster to enter between the steel plates.
i need the answer quickly, please and thank you! :)
Answers
Answer:
B
Explanation:
A tsunami doesn't just happen, it happens by an earthquake or the movement of the plates.
What is an ellipse please help)
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In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. As such, it generalizes a circle, which is the special type of ellipse in which the two focal points are the same.
Maybe they might use that math thing for Science.
Which type of variation (differences) can be seen in the beetle population shown above?
A. coloration
B. antenna length
C. number of legs
D. size
(NEED HELP ASAP)
Answers
Answer: A. coloration
A chemical equation is balanced if the number of each type of atom on the left side is equal to the number of each type on the right side. Is this reaction balanced?
(pls help me )
Answers
Answer:
nah its NOT
Explanation:
Answer:
yes a balanced chemical equation
it follows law of mass action that states mass can neither be created nor destroyed