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Crazy boy [7]
3 years ago
8

2. Dilute hydrochloric acid reacts with zinc to form zinc chloride and hydrogen.

Mathematics
1 answer:
DIA [1.3K]3 years ago
6 0

Step-by-step explanation:

Zn + 2HCl => ZnCl2 + H2

Moles of Zn = 13g / (65.38g/mol) = 0.198mol

Volume of HCl = 0.396mol / (0.25mol/dm³) = 1.58dm³.

Volume of H2 = 0.198mol * (22.4dm³/mol) = 4.43dm³.

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Archy [21]

Answer:

To convert from degree to radian we multiply the angle by

π/180

To convert from radian to degree we multiply the angle by

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7 0
3 years ago
Graphing Form for Linear Equations in 2 variables.
NeX [460]
X-intercept: y = 0
y-intercept: x = 0

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2 years ago
i think of a number, multiply it by 2 subract 6 and then divide by 4. If the answer is 8 what is the original number
ivanzaharov [21]

Answer:

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6 0
3 years ago
What's a prime number​
Andre45 [30]

Answer:

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4 0
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Help! i need the answer to this question plsss NO LINKS AND NO DOING IT JUST FOR THE POINTS Will give brainliest to the first se
Alex_Xolod [135]

2745

Step-by-step explanation:

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