Chemistry High School

please answer fast............​

Please Answer Fast............

Answers

Answer 1

It's O2 which is oxygen....

Answer 2

Answer:

c. CO2 is the answer.

Explanation:

Hope this helps you. Please mark as brainliest. Good Luck^_^

Related Questions

what is the volume of 0.284g of carbon dioxide at STP ??

Answers

Answer:

Explanatio

NCO2= 0, 248 /44= 0 ,005636

VCO2=  0,005636* 22,4= 0 ,126254545

A sample of oxygen gas has a volume of 453.7 mL when its pressure is 0.435 atm. What will the volume of the gas
be
at a pressure of 0.88 atmospheres, if the temperature remains constant?

Answers

Answer:

is you'r question correctly?

or not

UM UM UM HELP AGAIN. which of the following would increase the pressure of a gas
a. letting out air of an air mattress
b. taking a breath of air
c. lying on an air mattress
d. throwing a balloon into the air

Answers

Answer:

I think c) laying on an air mattress

C. laying on an air mattress.

What is the name for the compound li2so4

Answers

Answer:

Explanation:

Lithium Sulphate

Answer:

Lithium sulfate is a white inorganic salt with the formula Li2SO4. It is the lithium salt of sulfuric acid.

Describe how to make a buffer solution using a strong base and one other reagent. 15 POINTSSSSSSSS

Answers

Answer:

Hi! hopefully this helps you

Explanation:

You can make a buffer solution for a specific pH (potential of hydrogen) by mixing together a weak acid like acetic acid HC2H3O2 with a salt that contains the conjugate base like sodium acetate NaC2H3O2. A neutralization reaction would occur as you are mixing a weak acid and a strong base.

When you add the base to an acidic solution, the solution becomes less acidic and moves toward the middle of the pH scale. Aka neutralization

Hope this helps! best of luck <3

Write the empirical formula for at least four ionic compounds that could be formed from the following ions: NO3, Pb^4+, NH4, SO4

Answers

Explanation:

here's the answer to your question

double arrow just mean that it's a reversible process, and the reaction can go back and forth.

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