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Slav-nsk [51]
2 years ago
14

What do calories provude for the human body?

Chemistry
2 answers:
34kurt2 years ago
8 0
Your body needs calories just to operate — to keep your heart beating and your lungs breathing. As a kid, your body also needs calories and nutrients from a variety of foods to grow and develop. And you burn off some calories without even thinking about it — by walking your dog or making your bed.
lana66690 [7]2 years ago
5 0

Answer:

energy for the body to work

Explanation:

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28Which is true?
sergij07 [2.7K]
28) All elements are made of atoms

29)Protons and Neutrons
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3 years ago
Arrange the elements in order of increasing ionization energy. Use the
UNO [17]

Answer:

Gallium, Phosphorus, Chlorine, Fluorine

Explanation:

Arrange the elements in order of increasing ionization energy. Use the periodic table to identify their positions on the table.

Drag each tile to the correct box.

Tiles

chlorinefluorinegalliumphosphorus

Sequence

5 0
3 years ago
Read 2 more answers
One mole of ice at 0°C is added to two moles of water at 50°C under a constant external pressure of 1 atm. This process is carri
kotykmax [81]

Answer:

T2 = 29.79°C

Explanation:

Equliibrium signifies that heat loss = heat gained

Heat gained by Ice;

H = ML

Mass, M = Number of moles * Molar mass = 1 * 18 = 18g

l = 6.01 k J m o l = 334 J/g

C = 4.186 J/g

H =  18(334)

H = 6012

Heat lost by water

H = MCΔT

H = 18 * 4.186 * (50 - T2)

H = 3767.4 - 75.348T2

Since H = H, we have;

6012 = 3767.4 - 75.348T2

- 75.348T2 = 3767 - 6012

T2 = 2245 / 75.348

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8 0
3 years ago
Changes in the environment that cause an organism to respond are called?
slega [8]

Answer:

Anything in the environment that causes a change is called a stimulus.

Explanation:

6 0
3 years ago
Read 2 more answers
Determine whether each of the properties described applies to volumetric or graduated glassware. 1. Used for applications in whi
kogti [31]

Answer:

1) volumetric

2) graduated

3) volumetric

Explanation:

A volumetric glassware is a glassware that is marked at a particular point. A typical example of a volumetric glassware is the volumetric flask. A volumetric glassware is capable of measuring only a specific volume of a liquid.

On the other hand, graduated glassware can measure a range of volumes of liquid. However, a volumetric glassware is still required where a high degree of accuracy is important.

5 0
3 years ago
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