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3 years ago

Which ionic compound is used as a building material?

Chemistry

2 answers:

Anettt [7]3 years ago

7 0

Answer: Limestone

Explanation: Limestone contains calcium carbonate which are essential raw materials for the manufacture of cement used in building.

Tanzania [10]3 years ago

6 0

Answer:

Limestone

Explanation:

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What is the chemical symbol for gold?

irinina [24]

The chemical symbol for gold is AU

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4 years ago

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Molar mass of A1C1 3

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Answer:

Gold(III) chloride

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3 years ago

Calculate the energy required to heat 566.0mg of graphite from 5.2°C to 23.2°C. Assume the specific heat capacity of graphite un

maw [93]

Answer:

7.23 J

Explanation:

Step 1: Given data

Mass of graphite (m): 566.0 mg

Initial temperature: 5.2 °C

Final temperature: 23.2 °C

Specific heat capacity of graphite (c): 0.710J·g⁻¹K⁻¹

Step 2: Calculate the energy required (Q)

We will use the following expression.

Q = c × m × ΔT

Q = 0.710J·g⁻¹K⁻¹ × 0.5660 g × (23.2°C-5.2°C)

Q = 7.23 J

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3 years ago

How many milligrams of AgNO3 is required to completely react with 81.5 mg LiOH?

BartSMP [9]

Answer:

$m_{AgNO_3}=577.6mg$

Explanation:

Hello there!

In this case, according to the given chemical reaction, it is first necessary to compute the moles of reacting LiOH given its molar mass:

$n_{LiOH}=81.5mg*\frac{1g}{1000mg}*\frac{1mol}{23.95g} =0.0034molLiOH$

Thus, since there is a 1:1 mole ratio between lithium hydroxide and silver nitrate (169.87 g/mol) the resulting milligrams turn out to be:

$m_{ AgNO_3}=0.0034molLiOH*\frac{1molAgNO_3}{1molLiOH} *\frac{169.87gAgNO_3}{1molAgNO_3} *\frac{1000gAgNO_3}{1gAgNO_3} \\\\m_{AgNO_3}=577.6mg$

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3 years ago

If 12.7 grams of hydrogen reacted with an unknown amount of oxygen, how many grams of water would be produced? (Write a balanced

nirvana33 [79]

Answer:

48 g.

Explanation:

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2 years ago

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