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irakobra [83]
3 years ago
11

HELP!! IF YOU DON'T KNOW THE ANSWER DON'T ANSWER!

Chemistry
2 answers:
Elan Coil [88]3 years ago
6 0
I think it’s increases
Lady_Fox [76]3 years ago
5 0

Answer: increase

Explanation:

ahhhhhhhhhhhhhhh

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Question 7 of 10
sweet [91]

Answer:

1s2 2s2 2p6 3s2 3p3

Explanation:

8 0
3 years ago
Read 2 more answers
How are the input and output forces of the parts of a complex machine related?
Nataliya [291]
For machines such as a rake the output force is less than the input force. If the input force of the rake is 10 newtons and the output force is 5 Newtons mechanical advantage is .5
4 0
4 years ago
Determine the molar mass of a 0.314-gram sample of gas having a volume of 1.6 l at 287 k and 0.92 atm. show your work.
Olenka [21]

As per Ideal gas equation, molar mass of the gas is 5.032 g/mo

We’ll begin by calculating the number of mole of the gas. This can be obtained as follow:

Volume (V) = 1.6 L

Temperature (T) = 287 K

Pressure (P) = 0.92 atm

Gas constant (R) = 0.0821 atm.L/Kmol

Number of mole (n) =?

According to Ideal gas equation , PV = nRT

0.92 × 1.6 = n × 0.0821 × 287

1.472 = n × 23.5627

Divide by 23.5627

n = 1.176 / 23.5627

n = 0.0624 mole

Finally, we shall determine the molar mass of the gas. This can be obtained as follow:

Mass of gas = 0.314 g

Number of mole = 0.0624 mole

Mole = \frac{mass}{molar mass}

0.0624 = \frac{0.314}{molar mass}

Cross multiply

0.0624 × molar mass of gas = 0.314

Divide by 0.0624

Molar mass of gas =  \frac{0.314}{0.0624}

Molar mass of gas = 5.032 g/mo

Therefore the Molar mass of gas is 5.032 g/mo

Learn more about  Ideal gas equation here:

brainly.com/question/3637553

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8 0
2 years ago
Various plant and animal species are on the verge of extinction.
olga2289 [7]

Answer:

  1: A.) adapted

  2: A.) habitat destruction

Explanation:

Some (few) animals are capable of adjusting their behaviors in relation to human activity and the changes humans make in their habitat. Most are so well adapted to the details of their habitat that they are incapable of surviving when those details change.

"Because all organisms are <u>adapted</u> to their native habitat, human activities that result in <u>habitat destruction</u> are a major reason for their extinction."

_____

<em>Comment on human activities</em>

My friendly local rodent exterminator observed that rodent activity has picked up substantially, since so much human activity has been curtailed by quarantine orders.

3 0
4 years ago
A 23.98 gram sample of chromium is heated in the presence of excess iodine. a metal iodide is formed with a mass of 199.6 g. det
Misha Larkins [42]

The empirical formula of the metal iodide is Cr2I.

Mass of Chromium = 23.98

Molar Mass of Chromium = 51.9961

= 0.461 mol

Molar Mass of iodide = 126.9

= 199.6-23.88/126 = 1.394

The ratio between

Chromium and iodinei is1:2.So, the empirical formula is therefore Cr2I

Empirical formula of a chemical compound is the simplest whole number ratio of atoms present in a compound.[1] A simple example of this concept is that the empirical formula of sulfur monoxide, or SO, would simply be SO, as is the empirical formula of disulfur dioxide, S2O2. Thus, sulfur monoxide and disulfur dioxide, both compounds of sulfur and oxygen, have the same empirical formula. However, their molecular formulas, which express the number of atoms in each molecule of a chemical compound, are not the same.

Learn more about Empirical formula here:

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3 0
1 year ago
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