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3 years ago

Column table in two words?

Chemistry

1 answer:

Vikentia [17]3 years ago

6 0

Answer:

a table is a grid of rows and columns that intersect to form cells

Explanation:

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How many sulfur atoms would be present in 41.8 moles of sulfur?

Montano1993 [528]

Answer:

2.51 x 10*25 atoms

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4 years ago

¿De qué manera puedo identificar ácidos y bases en la vida cotidiana?

inna [77]

Answer:

Ya sea que explore su cocina, su baño o su cuarto de lavado, encontrará excelentes ejemplos de ácidos y bases a su alrededor. La escala de pH es un concepto importante tanto dentro como fuera del laboratorio de química.

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3 years ago

Two Chemistry questions 30 points

coldgirl [10]

Answer:

999

Explanation:

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4 years ago

20 L of nitrogen gas are collected at a temperature of 50°C and 2 atm. How many grams of nitrogen gas were collected?

Andreas93 [3]

Answer:

0.1077 grams

Explanation:

First we will employ the ideal gas law to determine the number of moles of nitrogen gas.

PV=nRT

P=2 atm

V=20L

R=0.08206*L*atm*mol^-1*K^-1

T=323.15 K

Thus, 2atm*20L=n*0.08206*L*atm*mol^-1*K^-1*323.15K

K, atm, and L cancels out. Thus n=2*20mol/0.08206*323.15=1.5 moles

Lastly, we must convert the number of moles to grams. This can be done by dividing the number of moles by the molar mass of nitrogen gas, which is 14 grams.

1.5/14=0.1077 grams

8 0

3 years ago

A container has a volume of 5.43 L and a pressure of 7.97 atm. If the pressure changes to 2.32

Novosadov [1.4K]

<h3>Answer:</h3>

18.65 L

<h3>Explanation:</h3>

We are given;

Initial volume of the container, V1 as 5.43 L
Initial pressure of the container, P1 as 7.97 atm
New pressure, P2 is 2.32 atm

We are required to calculate the container's new volume;

We are going to use Boyle's law

According to Boyle's law the volume of a fixed mass of a gas and the pressure are inversely proportional at a constant absolute temperature.
That is; $P\alpha \frac{1}{V}$

At varying pressure and volume at constant temperature, k is the constant.
Therefore; $P1V1=P2V2$

Rearranging the formula;

$V2=\frac{P1V1}{P2}$

$V2=\frac{(7.97atm)(5.43L)}{2.32atm}$

$V2=18.654$

Therefore, the new volume will be 18.65 L

3 0

3 years ago