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2 years ago

One mole of any gas at 298 K and 1 atm occupies a volume of 22.4 L.

Chemistry

2 answers:

AleksandrR [38]2 years ago

9 0

Answer:

false darling

Explanation:

lutik1710 [3]2 years ago

6 0

That my friend is false.

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The most common element in the atmosphere are

Ivanshal [37]

Nitrogen and oxygen are the most prevalent in the atmosphere.

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3 years ago

Be sure to answer all parts. calculate δg ocell for the reaction between cr(s) and cu2+(aq). e ocell = 1.08 j/c. enter your answ

Mademuasel [1]

Answer:

$\boxed{-6.29 \times10^{5}\text{ J}}$

Explanation:

Step 1. Determine the cell potential

E°/V

2×[Cr ⟶ Cr³⁺ + 3e⁻] 0.744 V

3×[Cu²⁺ + 2e⁻ ⟶ Cu] 0.3419 V

2Cr + 3Cu²⁺ ⟶ 3Cu + 2Cr³⁺ 1.086 V

Step 2. Calculate ΔG°

$\Delta G^{\circ} = -nFE_{\text{cell}}^{^{\circ}} = -6 \times 96 485 \times 1.086 = \text{-629 000 J}\\\\= \boxed{-6.29 \times10^{5}\text{ J}}$

6 0

3 years ago

The conversion of cyclopropane to propene in the gas phase is a first-order reaction with a rate constant of 6.7 x 10-4 s -1 at

denpristay [2]

Answer:

$C_f=0.1755M$

Explanation:

Hello,

Based on the information and the units of the given data, the integrated rate law turns out into:

$\frac{dC}{dt}=-kC\\ C_f=C_0exp(-kt)\\C_f=0.25M*exp(-6.7x10^{-4}s^{-1}*8.8min*\frac{60s}{1min} )\\C_f=0.1755M$

Best regards.

8 0

3 years ago

How is volume calculated given mass and density

Ymorist [56]

Answer:

volume is equal to the mass divided by the density (V = M/d).

4 0

2 years ago

Read 2 more answers

What is an hydroxide solution commonly used in labs

Ira Lisetskai [31]

sodium hydroxide (NAOH) a.k.a causic soda commonly used in labs.

MOLAR MASS of naoh is 39.997 g/mol.

It is dry hard brittle, white stocks in large fused opaque white-stone like masses having a dense crystalline fracture in small pellets/flakes.
it is very delinquent and one of the strongest base , acts as a saponifying agent which is used in industrial purposes.
It is an important industrial chemical as it is used on its own and is also used as a raw material in the production of other chemicals. The basis for the production of sodium hydroxide is the electrolysis of brine.

To know more about sodium hydroxide visit :

brainly.com/question/20892971

#SPJ9

6 0

1 year ago