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krok68 [10]
3 years ago
7

When hydrogen and oxygen combine to form water, which term is used to describe the water? A. product B. reactant C. catalyst D.

element
Chemistry
2 answers:
lawyer [7]3 years ago
7 0
A.Product is the correct answer!
Allushta [10]3 years ago
3 0
A. product


Hope it helps.........:)
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SOLVE The density of a gas is 0.68 g/mL. What amount of space would 23.8 g of this gas occupy?
Contact [7]

Answer:

<h2>The answer is 35 mL</h2>

Explanation:

Density of a substance can be found by using the formula

Density(\rho) =  \frac{mass}{volume}

From the question we are finding the amount of space the gas will occupy that's the volume of the gas

Making volume the subject we have

volume =  \frac{mass}{Density}

From the question

mass = 23.8 g/mL

Density = 0.68 g/mL

Substitute the values into the above formula and solve

That's

volume =  \frac{23.8}{0.68}

We have the final answer as

<h3>35 mL</h3>

Hope this helps you

6 0
3 years ago
What must be true of the net charge for any sample of sodium chloride
Ede4ka [16]

Answer:

Zero (0)

Explanation:

Since Na^+ has a charge of +1 and Cl^- has a charge of —1 in NaCl

Then the net = +1 —1 = 0

4 0
3 years ago
Read 2 more answers
How many grams is 3.35 moles of hcl
lions [1.4K]
Do this

3.35mol HCl | 34.46g HCl
------------------------------------
          1          | 1mol HCl
Multiply all the numbers on top by all the numbers on bottom.

7 0
3 years ago
Help me with this please ​
Gala2k [10]

Answer:

Gap 1, S-Phase, Gap 2, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis

Hope this helps.

8 0
3 years ago
A compound in a copper ore has the following percentage composition by mass:
AveGali [126]
1) since we are given percentages, we can assume we have 100 grams of the molecule.

55.6 % Cu ----> 55.6 grams Cu
16.4 % Fe------> 16.4 grams Fe
28.0% S--------> 28.0 grams S

2) convert each gram to moles using the molar masses given

55.6 g Cu \frac{1 mol}{63.5 g} = 0.876 mol Cu
16.4 g Fe \frac{1 mol}{56.0 g} = 0.293 mol Fe
28.0 gS \frac{1 mol}{32.0} = 0.875 mol S

3) we divide the smallest value of moles (0.293) to each one.

Cu --> 0.876 / 0.293= 3
Fe---> 0.293 / 0.293= 1
S-----> 0.875 / 0.293= 3

4) let's write the empirical formula

Cu₃FeS₃
6 0
3 years ago
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