2 years ago

Can you help me please

Chemistry

1 answer:

Mice21 [21]2 years ago

8 0

I’m not sure what the answer is but I hope someone can help!! Maybe answer choice B?

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A 400 mL sample of hydrogen gas is collected over water at 20°C and 760 torr the vapor pressure of water at 20°C is 17.5 torr. w

o-na [289]

Answer:

V2 = 17371.43ml

Explanation:

We use Boyles laws

since temperature is constant

P1V1=P2V2

760 x 400 = 17.5 x V2

304000 = 17.5 x V2

V2 = 304000/17.5

V2 = 17371.43ml

4 0

3 years ago

How many quarters are in $500

Alexandra [31]

Answer:

$\boxed{2000}$

Explanation:

$\text{4 quarters = \$1}\\\\\text{No. of quarters} = \text{\$500} \times \dfrac{\text{4 quarters}}{\text{\$1}} = \boxed{\textbf{2000 quarters}}$

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3 years ago

An element has an atomic number of 27. How many protons and electrons are in a neutral atom of the element

Sergeu [11.5K]

Answer:

27 and 32

Explanation:

3 0

2 years ago

Read 2 more answers

Find the empirical formula of a compound containing: 19.32% Ca, 34.30% Cl, and 46.38% O

Bess [88]

40×19.32/100=7.7=8×2=16Ca
35.5×34.30/100=12.1=12×2=24Cl
16×46.38/100=7.4=7×2=14O

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3 years ago

How is alkyne converted to acetone?

cricket20 [7]

Answer:

Propyne can be converted to the acetone when it is made to undergo the reaction with mercuric sulphate followed by hydrolysis and thus, resultant product, thus formed is acetone.

Explanation:

3 0

3 years ago

Can you help me please ​

Can you help me please