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Sonbull [250]
3 years ago
11

In order to re-create the process of energy production that takes place in the sun, scientists use

Chemistry
2 answers:
vodomira [7]3 years ago
6 0

Answer: Hydrogen Gas, heat and pressure.

Explanation:

Sun is made up of hydrogen and helium gas, heat and high pressure. Sun is huge ball made up of 70 per cent of hydrogen and 28 per cent. The pressure in the sun is also high.

The sun shines because it turns hydrogen into helium by the process of nuclear fusion. This states that with time the amount of helium will be more and hydrogen will be less.

antiseptic1488 [7]3 years ago
6 0

Answer:

A. hydrogen gas and add heat and pressure

Explanation:

Got it right on Edgenuity 2020.

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Calculate the pH of a 0.10 M NH4Cl solution.
Ksivusya [100]

Answer:

Answer: pH = 2.72

Explanation:

Calculate the pH of 0.010 M HNO2 solution. The K, for HNO2 is 4.6 x 104 

5 0
3 years ago
Calculate the grams of sulfur dioxide, SO2, produced when a mixture of 35.0 g of carbon disulfide and 30.0 g of oxygen reacts. W
alekssr [168]

Answer:

58.9g of SO2 is produced

8g of oxygen remains unconsumed

Explanation:

The burning of Carbon disulfide (CS2) in oxygen. gives the reaction:

CS2 (g) + 3O2 (g) → CO2 (g) + 2SO2 (g)

Molar mass of CS2 = 76.139 g/mol

Molar mass of O2 = 15.99 g/mol

Molar mass of SO2 = 64.066 g/mol

Number of moles of CS2 = 35g/ 76.139 g/mol =0.46 moles

Number of moles of O2 = 30g/15.999 g/mol =1.88 moles

From the chemical reaction

1 mole of CS2 react with 3 moles of O2 to give 2 moles of SO2

Thus 0.46 moles of CS2 reacts to form 2× 0.46 = 0.92 moles of SO2

Mass of SO2 produced = 0.92×64.07 = 58.9g of SO2 is produced

thus 0.46 moles of CS2 reacts with 3 × 0.46 moles of O2 which is =1.38 moles of O2

Thus oxygen is the limiting reactant with 1.88 - 1.38 = 0.496~~0.5 mole remaining

Or 8g of oxygen

58.9g of SO2 is produced

oxygen is the limiting

4 0
3 years ago
Chemical weathering occurs faster in warm, tropical climates, although it happens in cold climates as well. Describe some condit
andrew11 [14]

Oxidation, Dissolving in acid, Hydrolysis ,Water absorption and Hydration

6 0
2 years ago
Read 2 more answers
Which of the following is a characteristic of a weak acid?
mixas84 [53]

Answer:

A,B,C,D

Explanation:

all of the above : )

if you had to go with a certain answer go with C im most sure of

A weak acid will not completely dissociate in water due to strong forces

6 0
3 years ago
Read 2 more answers
4) Ethanol has a density of 0.8 g/cm3. <br> What is the mass of 225 cm3 of ethanol
AveGali [126]

Answer:

\huge\boxed{\sf m = 180\  g}

Explanation:

<u>Given:</u>

Density = ρ = 0.8 g/cm³

Volume = V = 225 cm³

<u>Required:</u>

Mass = m = ?

<u>Formula:</u>

m = ρV

<u>Solution:</u>

m = (0.8)(225)

m = 180 g

\rule[225]{225}{2}

Hope this helped!

<h2>~AnonymousHelper1807</h2>
7 0
2 years ago
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