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Kazeer [188]
3 years ago
11

Plz help i will give 32 points is it weather or climate i need help asap and i will give brainly

Chemistry
2 answers:
lord [1]3 years ago
8 0

Answer:

the dude who has the answeres are right

Explanation:

avanturin [10]3 years ago
4 0

Answer:

1= weather

2= climate

3=climate

4= climate, i think

5= weather

6= weather

7= climate

8=weather

9= weather

10= weather

hope this helps!

Explanation:

weather is typically over a short period, climate is over a long time.

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a sample Of water is heated by 520 cal in the temperature rises by 10 K what is the mass of the water sample in grams?
SVEN [57.7K]
<h3>Answer:</h3>

52 g water

<h3>Explanation:</h3>

In this question we are given;

Amount of heat, Q = 520 calories

Change in temperature, K = 10 K

We are required to calculate the mass of water.

Amount of heat is calculated by multiplying mass by specific heat capacity by change in temperature.

Q = m × c × Δt

The specific heat capacity,c of water = 1 Cal/g°C or 4.184 J/g°C

Rearranging the formula;

m = Q ÷ cΔt

   = 520 Cal ÷ (1 Cal/g°C×10 K)

   = 52 g

Thus, the mass of water sample is 52 g

4 0
3 years ago
A piece of metal has a volume of 38 cm and a mass of 277 g calculate the density of the metal
anyanavicka [17]
Density
=mass÷volume
=277÷38
=7.29 g/cm3
6 0
3 years ago
An iron nail with a mass of 12 g absorbs 12 J of heat.
Fynjy0 [20]

Answer:

27.25°C

Explanation:

hello,

this question involves heat transfer in an object and to find the final temperature, we'll use formula for heat transfer

data;

mass = 12g

heat energy (Q) = 12J

initial temperature (T1) = 25°C

final temperature (T2) = x

specific heat capacity (c) = 0.444J/g°C

heat energy(Q) = mcΔt

Q = mc(T2 - T1)

12 = 12*0.444*(x - 25)\\12 = 5.328x - 133.2\\collect like terms\\12 + 133.2 = 5.328x\\145.2 = 5.328x\\divide both sides by 5.328 and solve for x\\x = 145/5.328\\x = 27.25C\\

the final temperature was 27.25°C

6 0
3 years ago
Which solution is the least concentrated? 4 moles of solute dissolved in 6 liters of solution? 4 moles of solute dissolved in 6
Flura [38]

Answer:

The solution that is least concentrated is the one containing 4 moles of solute dissolved in 6 liters of solution .

Explanation:

Concentration is defined as the amount of a substance in a given apquantitybof solvent or solution. The unit of concentration is usually given as mol/litre

Mathematically, concentration = Number of moles of solute/ volume of solution in litres.

To determine the solution that is least concentrated from the given solutions, their concentrations in mol/L is calculated.

Concentration of solution containing 4 moles of solute dissolved in 6 liters of solution = 4 mol/6 litres = 0.67 mol/L

Concentration of solution containing 1 mole of solute dissolved in 1 litre of solution = 1 mol/ 1 litre = 1 mol/L

Concentration of solution containing 1 mole of solute dissolved in 1 liter of solution = 1 mol/ 1 litre = 1 mol/L

Concentration of solution containing 8 moles of solute dissolved in 4 liters of solution = 8 moles / 4 litres = 2 mol/L

Concentration of solution containing 8 moles of solute dissolved in 4 liters of solution = 8 moles/ 4 litres = 2 mol/L

Concentration of solution containing 3 moles of solute dissolved in 2 liters of solution = 3 moles / 2 litres = 1.5 mol/L

Therefore, the solution that is least concentrated is the one containing 4 moles of solute dissolved in 6 liters of solution .

3 0
3 years ago
These macromolecules are unique in that they are not composed of monomers, but instead resemble "hairpins" with fatty acid tails
Kamila [148]

Answer:

Phopsholipids

Explanation:

  • Phospholipids are macromolecules that are not composed of monomers, but instead, resemble hairpins with fatty acid tails.
  • They are a class of lipids and are major components of the cell membrane bilayer.
  • They are made up of fatty acids, glycerol backbone, and phosphate groups.
  • The fatty acids tail are hydrophobic which means they are water-hating and do not associate themselves with polar molecules.
  • The head of a phospholipid contain phosphate group that is hydrophilic meaning they associate with polar molecules such as water.
7 0
3 years ago
Read 2 more answers
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