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olasank [31]
3 years ago
5

Which electromagnet is stronger and why?

Chemistry
1 answer:
Karolina [17]3 years ago
7 0
Please provide a visual representation or context please
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Which statement describes a chemical property of
wel

everything describes physical traits ect. and 3 explains reactions with a different substance so 3

4 0
3 years ago
Write the balanced chemical equation for the reaction of khp with naoh
liubo4ka [24]

Answer:

KHP + NaOH ⟶ KNaP + H₂O

Explanation:

The H in KHP is the acidic hydrogen. The OH⁻ in NaOH neutralizes it  and converts it to H₂O.

The balanced equation for the reaction is

KHP + NaOH ⟶ KNaP + H₂O

5 0
3 years ago
How many molecules are contained in a 7.20-g sample of dimethylmercury?
jekas [21]
The formula for dimethyl mercury is. HgC2H6 = (2x12) + (6x1) + (1x200.6) = 230.6 
So the molar mass of dimethyl mercury is 230.6 g/mol. 
Number of moles in 4.2g of dimethymercury = 4.2/ 230.6 = 0.0182 moles.  
1 moles of dimethymercury contains 6.02 * 10^23 
Hence 0.0182 moles contains X 
X = 0.0182 * 6.02 * 10^23 = 0.10952 * 10^23 = 1.0952 * 10^22.
3 0
3 years ago
Read 2 more answers
A saturated solution of Al(OH)3 has a molar solubility of2.9x J0-9 Mat a certain temperature. What is the solubility product con
Viktor [21]

The solubility product constant, Ksp, of the aluminum hydroxide, Al(OH)₃ at the temperature is 1.91×10¯³⁹

<h3>What is solubility of product? </h3>

The solubility of product (Ksp) is defined as the concentration of products raised to their coefficient coefficients. This is illustrated below:

mA <=> nC + eD

Ksp = [C]^n × [D]^e

With the above information in mind, we can obtain the solubility of the product. This is illustrated below:

<h3>Dissociation equation </h3>

Al(OH)₃(aq) → Al³⁺(aq) + 3OH¯(aq)

From the balanced equation above,

1 mole of Al(OH)₃ contains 1 mole of Al³⁺ and 3 moles of OH¯

<h3>How to determine the concentration of Al³⁺ and OH¯</h3>

From the balanced equation above,

1 mole of Al(OH)₃ contains 1 mole of Al³⁺ and 3 moles of OH¯

Therefore,

2.9×10¯⁹ M Al(OH)₃ will also contain

  • 1 × 2.9×10¯⁹ = 2.9×10¯⁹ M Al³⁺
  • 3 × 2.9×10¯⁹ = 8.7×10¯⁹ M  OH¯

<h3>How to determine the solubility of product </h3>

Concentration of Al³⁺ = 2.9×10¯⁹ M

Concentration of OH¯ = 8.7×10¯⁹ M

Solubility product (Ksp) =?

Al(OH)₃(aq) → Al³⁺(aq) + 3OH¯(aq)

Ksp = [Al³⁺] × [OH¯]³

Ksp = 2.9×10¯⁹ × (8.7×10¯⁹)³

Ksp = 1.91×10¯³⁹

Learn more about solubility of product:

brainly.com/question/4530083

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5 0
3 years ago
Briefly describe the water cycle
Xelga [282]
The water cycle is a cycle that makes water go in the sky and back on ground again. It has 3 main processes which are Condensation: water droplets collect on a cold surface and combine with humid air, Evaporation: the process of a liquid turning into a gas, and Precipitation: The process of water falling from the sky like; rain, snow, sleet, and hail.
4 0
4 years ago
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