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egoroff_w [7]
3 years ago
10

How would an increase in gradient affect the speed of water

Chemistry
1 answer:
stira [4]3 years ago
8 0
It will give the water more energy
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If 200.0 g of copper(II) sulfate react with an excess of zinc metal, what is the theoretical yield of copper? 1.253 g 50.72 g 79
Helen [10]
1)we need a balanced equation: CuSO₄ + Zn ---> ZnSO₄ + Cu

2) we need to convert the grams of CuSO₄ to moles using the molar mass. 

molar mass CuSO₄= 63.5 + 32.0 + (4 x 16.0)= 160 g/mol

200.0 g CuSO_4 ( \frac{1 mol}{160 grams} )= 1.25 mol CuSO_4

3) convert moles of CuSO₄ to moles of Cu

1.25 mol CuSO_4 ( \frac{1 mol Cu}{1 mol CuSO_4} )= 1.25 mol Cu

4) convert moles of Cu to grams using it's molar mass.

molar mass Cu= 63.5 g/mol

1.25 mol (\frac{63.5 grams}{1 mol} )= 79.4 grams Cu

I did it step-by-step as the explanation but you can do all of this in one step. 

200.0 g CuSO_4 ( \frac{1 mol CuSO_4}{160 g} ) ( \frac{1 mol Cu}{1 mol CuSO_4} ) ( \frac{63.5 grams}{1 mol Cu} )= 79.4 grams Cu


4 0
4 years ago
Q2: A compound consists of 40.00 % C, 6.67 % H and
balandron [24]

Answer:

C6H12O6

Explanation:

Just use the table method like I did and compared the molecular mass with the mass of the empirical formula.

6 0
3 years ago
BRAINLIEST IF CORRECT
zhannawk [14.2K]

Answer:

1 a person sings into a microphone

2 the sound is converted into an electrical signal

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