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2 years ago

PLSSSSSSSSS HELP!!!!!!!! FIRST TO AWNSER GETS BRAINLIEST!!!!!!!!

Chemistry

2 answers:

katrin [286]2 years ago

4 0

Answer:

measles are caused by virus

strep throat is caused by bacterium

aspergillosis caused by fungus

malaria caused by protist

hope this helps!

Explanation:

iris [78.8K]2 years ago

4 0

Measles are caused by a virus

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H. Nitrogen gas and hydrogen gas combine to produce ammonia gas (NH3).

DedPeter [7]

Answer:

27.3 L

Explanation:

Reaction

N₂ (g) + 3H₂ (g) ⇒ 2NH₃ (g)
This is the basic reaction at STP

Solving

10 g N₂ x 1 mol NH₃/28 g N₂ x 3 mol H₂/1 mole N₂
⇒ 1.07 mol H₂

V = nRT/P [From Ideal Gas Equation]
V = 1.07 x 62.36 x 298 K / 735
V = 27.3 L

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2 years ago

The hydrogen ions in the core of the sun move at high speed. Colliding together and sticking to each other.

kenny6666 [7]

Answer:

The process describes the source of energy of the Sun such that it shines as a result of nuclear fusion of hydrogen taking place.

Explanation:

The Sun generates energy by hydrogen within the Sun undergoing nuclear fusion to form helium.

Nuclear fusion reaction involves combining of two or more atomic nuclei to produce one or more completely different atomic nuclei as well as protons or neutrons, with a loss or gain of mass and the release or absorption of energy.

The process whereby four hydrogen atoms combine to form one helium atom with a mass deficit, which is accounted for by the release of energy, result in the high intense light of the Sun.

8 0

3 years ago

Umm im looking to practice for my quiz and I cant check if my answers are correct can someone tell me the correct answer

DerKrebs [107]

C should be the correct answer dd

4 0

3 years ago

The cells of plants and algae have a hard made of cellulose

Monica [59]

The answer is cell wall...i found it here: https://www.quia.com/jg/1351880list.html

8 0

3 years ago

A 3.90L sample of gas at STP is cooled to -55oC at 808mmHg. What is the new volume?

notsponge [240]

Answer:

3.72L

Explanation:

Given parameters:

Initial volume V₁ = 3.9L

Condition = STP

Final temperature T₂ = -550°C

Final pressure P₂ = 880mmHg

Unknown:

Final volume V₂ = ?

Solution.

At standard temperature and pressure(STP), the:

Pressure = 1atm = 760mmHg

Temperature = 273K

Therefore, P₁ = 760mmHg

T₁ = 273K

The general gas law, is best to solve this problem. It is mathematically given as:

$\frac{P_{1} V_{1} }{T_{1} } = \frac{P_{2} V_{2} }{T_{2} }$

Let us take the units to the appropriate one;

-550°C = 273 + (-550) = -277K

Input the variables;

$\frac{760 x 3.9}{273} = \frac{808 x V_{2} }{-277}$

V₂ = 3.72L

5 0

3 years ago