3 years ago

True or false? dry ice subliming (turning from a solid straight into a gas) is an example of a chemical change.

1 answer:

5 0

False because when a substance changes from one state of matter to another it is a physical change no matter how many states of matter it skips

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Masja [62]

Answer:

the answer is A hope this helps

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3 years ago

aleksandrvk [35]

Answer:

Step 1: The Unbalanced Chemical Equation. The unbalanced chemical equation is given to you. ...

Step 2: Make a List. ...

Step 3: Identifying the Atoms in Each Element. ...

Step 4: Multiplying the Number of Atoms. ...

Step 5: Placing Coefficients in Front of Molecules. ...

Step 6: Check Equation. ...

Step 7: Balanced Chemical Equation.

Explanation:

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3 years ago

Alecsey [184]

Answer:D molecular attraction increases as temp decreases

Explanation:A,B would require data not available. C is missing. The question is a mess.

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3 years ago

zhenek [66]

Answer:

1.) 3

2.) 60 CM

Explanation:

1. Density= $\frac{MASS}{VOLUME}$ = $\frac{75}{25}$

2. Length*Width*Height=3*10*2

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3 years ago

Artemon [7]

It will be Oxygen . And total 8 protons, 8 electrons and 9 neutrons are present in it.

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4 years ago