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2 years ago

The specific heat capacity of concrete is 0.880 J/g °C

Chemistry

1 answer:

LenaWriter [7]2 years ago

3 0

Answer:

this is a required answer. look it once.

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Et answer

Molodets [167]

Answer:

do it yourself

mate.

<h2>because doing work yourself and understanding increases your knowledge understand</h2>

<h3>and mark my answer as Brainlist because marking my answer as Brainlist you would not be losing anything and about your answer do yourself</h3>

7 0

2 years ago

The atomic nucleus contains?

ycow [4]

The nucleus, that dense central core of the atom, contains both protons and neutrons. Electrons are outside the nucleus in energy levels. Protons have a positive charge,neutrons have no charge, and electrons have a negative charge. A neutral atom contains equal numbers of protons and electrons.

8 0

3 years ago

What is the mass number of 207Pb ? A: 289 B: 207 C: 125 D: 82

Sergio [31]

207 is the mass number. 82 would be the atomic number

3 0

3 years ago

What chemical process occurs in cells to release energy?

Lana71 [14]

Answer:

B. Respiration

Explanation:

cellular respiration is the process where cells use glucose (C6H12O6) and oxygen gas (O2) to make carbon dioxide (CO2) water (H2O) and ATP, which is energy

formula:

C6H12O6 + 6O2 -> 6CO2 + 6H20 + 38ATP

3 0

2 years ago

When 1000 C of charge is passed through CuSO4 solution, x g of copper is deposited. How much charge should be passed through the

Stels [109]

Number of charge = 5018 C

<h3>Further explanation</h3>

Given

1000 C of charge for x grams of copper

Required

Number of charge

Solution

Faraday's Law :

$\tt W=\dfrac{e.i.t}{96500}\\\\W=\dfrac{e.Q}{96500}$

For 1000 C, W = x grams

$\tt x=\dfrac{1000.e}{96500}=0.0104e$

For 5x grams :

$\tt 5x=\dfrac{e.Q}{96500}\\\\5\times 0.0104e=\dfrac{e.Q}{96500}\\\\Q=\dfrac{96500\times 5\times 0.0104e}{e}=5018~C$

6 0

3 years ago