Which of the following is NOT a clue that could indicate a chemical change?

A. Change in color
B. Mixing of reactants
C. Change in energy
D. Release of a gas
E. Formation of a precipitate

Answers

Answer 1

Answer:

i think its C, but im not 100% sure. if not c, then D, but C sounds more right.

Explanation:

everything else sounds like sure fire sighs of a chem change. good luck


Related Questions

The atomic size of zirconium is smaller than
a. niobium
b. Yttrium
c. Molybdenum
d. None of the above

Answers

Answer:

b

Explanation:

because hahamaskdjdjskskskskkssksksks

All three types of worms that undergo asexual reproduction use which process?
binary fission
budding
fragmentation
spore formation

Answers

Answer:

binary fission

Explanation:

i just took the quiz

Help please I have 10 min.

Answers

Answer:

i cant see the question. i can try to help if you tell me the question.

Explanation:

also how do i use the comments???

I NEED HELP :)
A train travels 76 miles in 1 7/12 hours. What is its average speed in miles per hour?

Answers

Answer:

48 mph

Explanation:

total time= 19/12 hr

distence- 76 miles

speed- D/T=76/19/12

which is 48mph

if my answer helps please mark as brainliest.

Answer:

pretty sure its average speed in miles per hour is 48

Explanation:

I just took 76 and divided it by 1 7/12 and got 48

10. Which of these elements is the most electronetative?
(10 Points)
Nitrogen
Calcium
Bromine
O Aluminum

Answers

it would be nitrogen
Out of the four Nitrogen is the most electronegative. Electronegative is basically determined by whichever atom is closest to F (the most electronegative)

Nitrogen is only a few electrons difference than Fluorine. Bromine is still quite electronegative but it has whole extra valence shells making it not as electronegative as nitrogen

Question 3 of 10
What is thermodynamics?
O A. The study of the transfer of hot and cold energy
B. The study of the movement of energy and heat
C. The study of kinetic energy and potential energy
D. The study of the conservation of matter and energy

Answers

Answer:

B

Explanation:

the branch of physical science that deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy.

Answer:

B

Explanation:


14. A cell is placed in a salt solution that has the
same concentrations as the inside of the cell.
What will happen to the cell? *
A. The cell will shrink.
B. The cell will expand slightly.
O C. The cell will burst.
D. The cell will remain the same size.

Answers

Answer:

A

Explanation:

I’m pretty sure it is a

Aluminum has metallic bonds between its atoms. Which statement BEST describes the
valence electrons in aluminum?
are exchanged with nonmetal atoms
are exchanged with other metal atoms
are localized and stay between metal atoms
are delocalized and move between metal atoms

Look at picture
ASAP please will mark as brainlist don’t got much time

Answers

Answer:

are delocalized and move between metal atoms

Explanation:

As the problem says, aluminum has metallic bonds. The main characteristic of metallic bonds is that the electrons are free to move between the metal ions (they are delocalized), thus being responsible for the good electrical conductivity of metals.

Which statement correctly describes acetyl-CoA?
It connects glycolysis to the citric acid cycle.
It connects the citric acid cycle to the electron transport chain.
It is the product of catabolism of proteins.
It is the product of catabolism of fats.

Answers

A. It connects glycolysis to the citric acid cycle.

Explanation: Right on edge

What type of energy does each ball have before it falls

Answers

As the ball falls towards the ground, its gravitational potential energy is transformed into kinetic energy.

define a shadow plz help​

Answers

Answer:

A shadow is that thing that follows you everywhere when the sun is out. It's creepy!

Explanation: Hope I helped!

Answer:

A shadow is a dark form that you cannot touch, hear, feel, or taste. It's simply formed when an object blocks a source of light.

A larger bullet does not necessarily have more momentum than a smaller bullet Explain why

Answers

Answer:

yes

Explanation:

a larger bullet weighs more then a smaller bullet so the smaller bullet goes faster.

Answer:

Explanation:

Momentum is dependent on mass and velocity. So, the smaller bullet can be moving at a much greater speed than the larger one.

two students performed an investigation

Answers

Answer:

what was the investigation ???

Define unbalanced forces(giving Brainly)

Answers

Answer:

Unbalanced forces are forces whose net amount is not zero.

This can take place when two equal forces are acting in the same direction or opposite direction but with different forces.

Unbalanced forces make some change in the position of the object on which force is exerted.

Answer:

This can take place when two equal forces are acting in the same direction or opposite direction but with different forces.

Unbalanced forces make some change in the position of the object on which force is exerted.

What state does a maple tree enter during the winter?
A. thigmotropism
B. migration
C. hydrotropism
D. dormancy

Answers

D. dormancy is the correct answer

What is a chemical symbol? Give an example.

Answers

Answer:

zero two is bae

Explanation:

What are the elements in group 1 of the
periodic table called?​

Answers

Answer:

there called alkali metals

Answer:

alkali metals.

Explanation:

Group 1A (or IA) of the periodic table are the alkali metals: hydrogen (H), lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).



How do most cells in your body sense their surroundings?
O they touch things
O they see things
they smell things
they hear things
O all these answers are correct

Answers

D) all these answers are correct

Why do surface waves break along the shore?​

Answers

As waves reach the shore, the energy in front of the wave slows down due to friction with the shallow bottom. ... The wave breaks, and it usually does so in water depth that is 1.3 times the wave height.

Answer:

because the global sea level rises while the poles temperature increases

Explanation:


Activity 7 Let's Think First

Directions: Below are possible situations during an earthquake. Encircle the letter of the appropriate action.

1. If you are outside of your house, move away from the buildings.
A. I will do it
B. I will just run anywhere.

2. If you are inside your house, get cover under a table.
A. I will do it
B. I will not do it

3. If you are in a moving car, what will you say to the driver?
A. Just keep driving.
B. Please stop.

4. Drop to the ground and protect your head.
A. I will do it
B. I will not think about it.

5. Prepare a disaster emergency kit beforehand.
A. I will do it
B. I will not do it.

Answers

1. a.
2. a.
3. b.
4. a.
5. a.

Why is it important to plants and animals that photosynthesis occurs?

Answers

Photosynthesis comes from plants that turn light energy into chemical energy which organisms eat and use to do their activities and thrive in their environment.

9. Do all enzymes function at the same pH?

Answers

Each enzyme has an optimum pH but it also has a working range of pH values at which it will still work well. This depends on the type of enzyme. The enzyme pepsin breaks down proteins in the acidic conditions of the stomach. ... Catalase has an optimum pH of 9 and a working range of between pH 7-11.        Hope this was helpful

Explanation:

Among the alkaline earth metals in Group 2A/A, which is more reactive - beryllium (element 4) or strontium (element 38)?

Answers

Answer:

Group 2A (or IIA) of the periodic table are the alkaline earth metals: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). They are harder and less reactive than the alkali metals of Group 1A.

Explanation:

What type of energy does most energy end up as?
O heat
O chemical
light
O electrical

Answers

Answer:

Heat

Explanation:


To find the volume of a ring, the water displacement method was used.
What is the volume of the ring with correct significant figures?

Answers

Answer:

4 cm³?

Explanation:

68-64

What would be the correct answers

Answers

Answer:

A chemical bond is formed and energy is absorbed I do believe

Explanation:

5. How would the food web in Figure 7 change if the numbers of red foxes were
greatly reduced by hunters?
Help meee

Answers

Answer:

I cant help you because you didn't provide a picture for the graph

Explanation:

What’s the difference between directly
proportional and inversely proportional.

Answers

Answer:

Directly proportional:

A proportion of two variable quantities. when the ratio of two quantities are constant.

inversely proportional:

when one value decreases at the same rate that the other increases.

Explanation:

I hope this does help you, have a great day. :)

Please help thank you!

Answers

South east should be the answer

hiii please help i’ll give brainliest

Answers

Answer:

the applied force is greater than the force of friction

Explanation:

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