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padilas [110]
2 years ago
7

When cleaning a buret, begin by coating the inside with:.

Chemistry
1 answer:
vladimir2022 [97]2 years ago
3 0

Answer:

I think the answer is distilled water...

Explanation:

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Im going to say that it is 1.) The Heart

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If a substance has a temperature of 273 kelvins, what is its temperature in degrees celsius?
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Question 3
aleksklad [387]

Answer:

The reverse reaction will increase.

Explanation:

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4 years ago
How many grams are in 3.40 x 10^24 molecules of CH4
Arturiano [62]

Answer:

90.37 g

Explanation:

From Avogadro Number,

1 mole of every substance contains a particle number of 6.02×10²³

From the question,

1 mole of CH₄ contains 6.02×10²³ molecules.

But,

1 mole of CH₄ has a mass of 16 g

Therefore,

16 g of CH₄ contains 6.02×10²³ molecules

Then,

Y g will contain 3.4×10²⁴ molecules

Solve for Y

Y = (16× 3.4×10²⁴)/(6.02×10²³)

Y = 90.37 g

6 0
3 years ago
If I have 1.9 moles of gas held at a pressure of 5 atm and in a container with a volume of 100 liters, what is the temperature o
Ivahew [28]

Answer:

T = 3206.89 K

Explanation:

Given that,

Number of moles, n = 1.9 moles

Pressure, P = 5 atm

Volume, V = 100 L

We need to find the temperature of the gas. Let the temperature is T. We know that,

PV = nRT

Where

R is gas constant, R = 0.08206 L-atm/mol-K

Put all the values,

T=\dfrac{PV}{nR}\\\\T=\dfrac{5\times 100}{1.9\times 0.08206 }\\\\T=3206.89\ K

So, the temperature of the gas is 3206.89 K.

7 0
3 years ago
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