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-Dominant- [34]
2 years ago
14

If the specific heat of water is 4. 18 j/g∙°c, how much heat is required to increase the temperature of 1. 20 kg of water from 2

3. 00 °c to 39. 00 °c?
Chemistry
1 answer:
Mkey [24]2 years ago
8 0

The heat required to increase the temperature of 1.20 g of water is  80,256 k/j

<h3>What is specific heat?</h3>

The amount of energy needed to raise the temperature of one gram of a substance by one degree Celsius.

4. 18 J heat is required to change the temperature of 1.20 kg of water from 23. 00 °c to 39. 00 °c.

The heat required to raise temperature is the product of mass, specific heat and temperature change

1,200 × 4.18 × (39 − 23) = 80,256

Thus, the heat required to increase the temperature of 1.20 g of water is  80,256 k/j

Learn more about specific heat

brainly.com/question/11297584

#SPJ4

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How do valence electrons interact between non polar covalent, polar covalent, and ionic bonds?​
iVinArrow [24]

Answer:

In non-polar covalent bonds, the electrons are equally shared between the two atoms. For atoms with differing electronegativity, the bond will be a polar covalent interaction, where the electrons will not be shared equally.

Explanation:

i did some reasherch so there^^

5 0
3 years ago
An experiment was conducted and students observed that a solution had a hydroxide concentration of 7.0 x 10-2 .What is the pH? i
denis23 [38]

Answer:

The pH of the solution is basic

Explanation:

as one of the characteristics of the base is to increase the OH concentration in a solution so if the solution has low concentration of OH this means that the solution is basic

3 0
3 years ago
How many atoms are in a sample of 175 grams of sodium (Na)? The answer needs to be <br> a x 10^b
ValentinkaMS [17]
Atomic mass Sodium ( Na ) = 22.98 u.m.a

22.98 g ----------------- 6.02x10²³ atoms
175 g ------------------- ?? atoms

175 x ( 6.02x10²³) / 22.98 =

4.58x10²⁴ atoms of Na

hope this helps!

4 0
3 years ago
Fractional distillation of a mass mixture of 10 g water and 10 g perchloric acid would yield a distillate with what composition
jek_recluse [69]

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Explanation:

Nitic acid and water is an example of azeotrope. The composition of 68% of nitric acid and 32% of water by mass in a boiling point of 393.5k.

The composition of perchloric acid (71.6%) and water boils at 203°c. Pure iron solution weights about 10g is placed in a beaker, hydrochloric acid and nitric acid mixtures are added and heated to dissolve. Add perchloric acid until it evaporate and produces white smoke.cool it down add water and dissolve the salt.

8 0
3 years ago
Which is an example of heat energy being transferred by radiation? * 10 points A A pot of water boils on a stove B Hot water mel
andrew11 [14]

Answer:

A

Explanation:

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5 0
3 years ago
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