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kramer
3 years ago
15

_______ is the amount of heat necessary to raise the temperature of 1 gram of a substance by 1 degree Kelvin. A. A calorie B. En

ergy C. Heat D. Specific heat E. Work
Chemistry
1 answer:
Maksim231197 [3]3 years ago
5 0
<h2>The required option d) "specific heat" is correct.</h2>

Explanation:

  • To raise the temperature of any substance or material of certain mass to respective temperature it requires some amount of heat.
  • Specific heat is the amount of heat necessary to raise the temperature of the substance of 1 gram to 1 Kelvin.
  • It is the amount of heat which is required to raise the temperature per unit mass to per unit temperature.
  • Thus, the required "option d) specific heat" is correct.
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A scientific theory is best defined as
olga55 [171]

Answer:

A scientific theory is a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed, preferably using a written, pre-defined, protocol of observations and experiments.

Explanation:please mark as brainlies

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4 years ago
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The force needed to make an object with a mass of 5kg accelerate at 10 m/sec2 = Question 5 options:
astraxan [27]

Explanation:

<h3>Here, mass = 5kg </h3><h3> acceleration = 10m/s^2</h3>

<h3>according to the question ;</h3><h3>F = m×a ( from 2nd law of motion)</h3><h3>F = 5kg × 10m/s^2</h3><h3>F = 50kgm/s^2 or NEWTON </h3>

<h3>SO THE FORCE NEEDED IS 50 NEWTON</h3>

<h2>I HOPE THAT THIS ANSWER HELPS YOU </h2>
8 0
3 years ago
11cm+11.38cm+500.55cm=
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Answer:522.93 centimeters

Explanation:

I calculated the numbers

8 0
3 years ago
. Guillermo was finding it difficult to walk up the steps to his family’s apartment. His doctor thinks that his cells might not
morpeh [17]

Answer:

Because oxygen is the combustion  fuel and glucose  is the substrate needed for synthesis of energy as ATPs during cellular respiration.Therefore Guillermo lacks enough energy as ATPs in her  body cells, especially skeletal muscles cells to complete the task of ascending the s steps.

For all the mitochondrial in cells(sites of energy production)   to receive needed glucose,and other metabolites needed for  energy synthesis; an efficient transport system is needed, so that  these materials   are available  immediately, in required amount. This system is called circulatory system.

And for the the supply of combustion fuel (oxygen) needed for the completion of the ATP synthesis mechanisms;  respiratory systems which  convey oxygen from the external environments to the circulatory system through breathing mechanisms, for distribution is needed.

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4 0
3 years ago
Write the IUPAC substitutive name of the major product when 2-methylbut-1-ene reacts with: a) HCl b) HBr in the presence of pero
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Answer and Explanation:

The IUPAC substitutive name of the major product when 2-methylbut-1-ene reacts are as follows

a) HCl = 2-chloro-2-methylbutane

b) HBr in the presence of peroxides =  1-bromo-2-methylbutane

c) H2O/ H2SO4 (dilute sulfuric acid)  = 2-methylbutane-1,2-diol

d)BH3-THF followed by basic hydrogen peroxide =  2-methylbutan-1-ol

e) Chlorine in water =  2-chloro-2-methylbut -1 -ol

f) Bromine in carbon tetrachloride =  1,2- dibromo-2-methybutane

g) H2 in the presence of a metal catalys = isopentane or 2- methyl butane

8 0
3 years ago
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