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Anestetic [448]
3 years ago
12

If gravity ceased to exist on Earth, what would happen to our life supporting atmosphere ?

Chemistry
1 answer:
melamori03 [73]3 years ago
4 0
C is correct. right now gravity holds the atmosphere so if there is no gravity then no atmospher
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Iron Choose one: A. is alloyed with carbon and chromium to make stainless steel. B. was the first of the common metals (iron, al
Lostsunrise [7]

Answer:

A. is alloyed with carbon and chromium to make stainless steel.

Explanation:

Steel is an alloy formed mainly of iron and carbon but some other metals like chromium are also added in little amounts.

Is steel, the percentage of iron and carbon together is about 90% and the rest metals fall in the 10% part.

Although the cost of steel is low, it has a very high tensile strength and that's why it is used in tools, ships, buildings, trains and in various types of infrastructures.

7 0
3 years ago
A police car is approaching the corner. Explain what happens to the frequency of sound as it draws closer. What will you hear?
barxatty [35]
The frequency stays the same it just gets louder
8 0
3 years ago
Why are there wires in circuits?what is their job/function?
ra1l [238]
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3 years ago
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HELP ME WITH ONE OR BOTH OF THESE QUEATIONS PLEASEEEE
marta [7]

Answer:

2. 181.25 K.

3. 0.04 atm.

Explanation:

2. Determination of the temperature.

Number of mole (n) = 2.1 moles

Pressure (P) = 1.25 atm

Volume (V) = 25 L

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

Temperature (T) =?

The temperature can be obtained by using the ideal gas equation as illustrated below:

PV = nRT

1.25 × 25 = 2.1 × 0.0821 × T

31.25 = 0.17241 × T

Divide both side by 0.17241

T = 31.25 / 0.17241

T = 181.25 K

Thus, the temperature is 181.25 K.

3. Determination of the pressure.

Number of mole (n) = 10 moles

Volume (V) = 5000 L

Temperature (T) = –10 °C = –10 °C + 273 = 263 K

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

Pressure (P) =?

The pressure can be obtained by using the ideal gas equation as illustrated below:

PV = nRT

P × 5000 = 10 × 0.0821 × 263

P × 5000 = 215.923

Divide both side by 5000

P = 215.923 / 5000

P = 0.04 atm

Thus, the pressure is 0.04 atm

6 0
3 years ago
Ammonium sulfate is used as a fertilizer to supply nitrogen to crops. Write the equation for the disassociation of this compound
aksik [14]

Answer:

(NH₄)₂(SO₄)+H₂O⇒(NH₄)₂O+H₂(SO₄)

Explanation:

(NH₄)⁺(SO₄)²⁻+H₂O⇒(NH₄)⁺O²⁻+H₂(SO₄)²⁻

(NH₄)₂(SO₄)+H₂O⇒(NH₄)₂O+H₂(SO₄)

5 0
3 years ago
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