PLEASE HELP

Chemistry

1 answer:

Mars2501 [29]3 years ago

3 0

Answer: it’s A

Explanation:

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Help me balence: ___ H2 + ___ O2----> _____ H20

luda_lava [24]

Explanation:

2H2+O2------->2H2O

its yr balanced equation.

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<h2>stay safe healthy and happy....</h2>

6 0

3 years ago

Can someone help please !!

garik1379 [7]

It is B, I believe. Sorry if I am wrong! Hope I helped! ^_^

8 0

3 years ago

What is the rate of reaction

Lunna [17]

Answer:

The reaction rate is defined as the amount of substance that is transformed into a given reaction per unit volume and time.

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KOH (aq) + HC2H3O2 (aq) ?

Radda [10]

KOH + HC₂H₃O₂ = H₂O + KC₂H₃O₂

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3 years ago

Which statement is true for every compound? THIS QUESTION IS WORTH 39 POINTS H.E.L.P

Dima020 [189]

Answer: D.two or more elements are chemically bonded

Explanation:

Compound is a pure substance which is made from atoms of different elements chemically combined together in a fixed ratio by mass.It can be decomposed into simpler constituents using chemical reactions. They have different properties as compared to their constituents. Example: water $H_2O$

$2H_2O\rightarrow 2H_2+O_2$

Element is a pure substance which is composed of atoms of similar elements.It can not be decomposed into simpler constituents using chemical reactions.Example: Copper $Cu$

Thus every compound is made up of two or more elements chemically bonded.

3 0

3 years ago