CHEMISTRY MIDDLE SCHOOL

Help asap pleaseWhat state of matter has a defined volume but undefined shape?

a.gases


b.solids and liquids


c.liquids and gases


d.liquids

Answers

Answer 1
Answer: The correct answer is liquids. I just got my test answers.
Answer 2
Answer:

the answer is D









brainly is stubborn and wont let me put the answer so ignore this because I have to add at least 20 letters :)

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Answers

when red leadoxide is heated it gives lead and oxygen i think.

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Answers

Protons.....i think......,,,,

A pitcher accelerates a baseball with a mass of 1.5 kg at 6m/s2. How much force does this take?

Answers

F=m x a
F=force.
m=mass
a=acceleration

Data:
m=1.5 Kg
a=6 m/s²

F=1.5 kg x 6 m/s²=9 Newtons.

answer: the force will be 9 Newtons. 

Which statement describes a reversible reaction at equilibrium?(1) The activation energy of the forward reaction must equal the activation energy of the reverse reaction.
(2) The rate of the forward reaction must equal the rate of the reverse reaction.
(3) The concentration of the reactants must equal the concentration of the products.
(4) The potential energy of the reactants must equal the potential energy of the products.

Answers

Answer: The correct answer is Option 2.

Explanation:

Reversible reaction is defined as the reaction in which the products formed react together to give the reactants back. For general reversible chemical equation:

aA+bB\rightleftharpoons cC+dD

At equilibrium, the rate of forward reaction is equal to the rate of backward reaction.

Rate of forward reaction:k[A]^a[B]^b

Rate of backward reaction:k[C]^c[D]^d

At equilibrium, k[A]^a[B]^b = k[C]^c[D]^d

Thus, the correct answer is Option 2.
When a reaction has reached Equilibrium, the rate of the forward reaction is equal to that of the backward reaction.

What is vaporization A: a gas becoming a liquid B: a liquid becoming a solid C: a gas becoming a solid D: a liquid becoming a gas

Answers

A liquid becoming a gas. For instance water (liquid) turns into steam (gas).

D. A liquid becoming gas

Are producers heterotrophs or autotrophs?

Answers

Answer:

Autotrophs

Explanation:

Autotrophs make their own food, or produce food for themselves through the process of photosynthesis. Therefore, we can say that autotrophs are also producers. Some examples of producers are plants, algae, and some types of bacteria.

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