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shepuryov [24]
2 years ago
15

How does the adaptations of a giraffe help survive its environment

Chemistry
1 answer:
strojnjashka [21]2 years ago
7 0

Answer:

"They drink water when it is aivailable but can go weeks without it, they rely on morning dew and the water content of their food". they can use plants as resources to live.

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Which of the following is a unit of mass? A) A meter B) A liter C) a kelvin D) a kilogram ​
lora16 [44]

A kilogram is a unit of mass. A meter is a unit of measurement, a Liter is volume and a kelvin is temperature

6 0
3 years ago
Read 2 more answers
A<br>Which property of a gas affects the rate at which it spreads throughout<br>laboratory?​
balu736 [363]

Answer:

Diffusion is faster at higher temperatures because the gas molecules have greater kinetic energy. Effusion refers to the movement of gas particles through a small hole. Graham's Law states that the effusion rate of a gas is inversely proportional to the square root of the mass of its particles

5 0
3 years ago
1. What is the density of a liquid with a mass of 25.0 g
Maksim231197 [3]

Answer:

0.8 g/cm^3

Explanation:

Density is the amount of substance present per volume.

Density = Mass / Volume = (25.0 g) / (30.0 cm) = 0.83333 g/cm^3

=> Density = 0.8 g/cm^3 (rounded up to one decimal place)

6 0
1 year ago
While burning coal and charcoal, you notice that coal releases more heat than charcoal. That means that the... 1. elastic energy
Dafna11 [192]

Answer:

3). Chemical potential energy

1). lower in charcoal than in coal.

Explanation:

Chemical potential energy is defined as the energy that can be absorbed or stored in a substance's chemical bonds. It can be released when there is a change in the number of particles of the substance.

As per the question, coal releases more heat than charcoal because 'the chemical potential energy of charcoal is lower than the coal' <u><em>and hence, the latter would release more heat on burning i.e. the energy that was absorbed in the chemical bonds of the substance</em></u>. Hence, option 3 and 1 are the correct answers.

4 0
3 years ago
how many grams of silver medal could be recovered from a reaction of 50 g silver nitrate and copper metal
Likurg_2 [28]

Answer:

Answer is: mass of copper is 127 grams.

Balanced chemical reaction: Cu(s) + 2AgNO₃(aq) → Cu(NO₃)₂(aq) + 2Ag(s).

m(Ag) = 432 g.

n(Ag) = m(Ag) ÷ M(Ag).

n(Ag) = 432 g ÷ 108 g/mol.

n(Ag) = 4 mol.

From chemical reaction: n(Ag) : n(Cu) = 2 : 1.

n(Cu) = 4 mol ÷ 2 = 2 mol.

m(Cu) = n(Cu) · M(Cu).

m(Cu) = 2 mol · 63.5 g/mol.

m(Cu) = 127 g

Explanation:

7 0
3 years ago
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