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3 years ago

What can cause an increase in the density of ocean water?

2 answers:

3 0

Your answer would be A because Ocean water gets more dense with a decrease in water temp. also an increase in salinity could increase the density.

posledela3 years ago

3 0

Answer: The correct answer is option(A).

Explanation:

Salinity is defined as measure of all the salts dissolved in water.

Salinity of the ocean gets effected by the temperature:

When the temperature increases the the density of the water decrease by density of the ocean water decrease.
When the temperature decreases the density of the water increases by which density if the ocean water ls increases.

So, in order to increase the density of the ocean water temperature should be decreases.

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Which is a reactive nonmetal???

ololo11 [35]

Sodium is very reactive but it’s a metal, and the problem asks specifically for a non-metal.
Silicone is technically reactive, but not super reactive.
Argon is a nonmetal, however it is an inert gas. It doesn’t react with anything.

We’re left with Chlorine, which is a non-metal in group 7, a highly reactive group, on the periodic table.

6 0

3 years ago

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Fossil fuels are considered to be __________ resources because they are consumed ___________ than they form.

mixas84 [53]

Fossil fuels are formed by the deposition of organic matter. It is a nonrenewable resource as they deplete faster as they are produced. Thus, option B is correct.

<h3>What is non-renewable resources?</h3><h3 />

A non-renewable resource is exhaustible and takes a longer time to get produced as they include the accumulation of organic matter over thousands of years.

Fossil fuels take a very long time to get replenished and have a slower rate of formation as compared to consumption. It includes petrol, coal, diesel, natural gases, etc.

Therefore, option B. nonrenewable and far faster are the correct blanks.

Learn more about the non-renewable resources here:

brainly.com/question/11778974

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8 0

1 year ago

Sulfur and oxygen react to produce sulfur trioxide. In a particular experiment, 7.9 grams of SO3 are produced by the reaction of

shutvik [7]

Answer:

79%

Explanation:

1) Balanced chemical equation:

2S + 3O₂ → 2SO₃

2) Mole ratio:

2 mol S : 3 mol O₂ : 2 mol SO₃

3) Limiting reactant:

Number of moles of O₂

n = 6.0 g / 32.0 g/mol = 0.1875 mol O₂

Number of moles of S:

n = 7.0 g / 32.065 g/mol = 0.2183 mol S

Ratios:

Actual ratio: 0.1875 mol O₂ / 0.2183 mol S =0.859

Theoretical ratio: 3 mol O₂ / 2 mol S = 1.5

Since there is a smaller proportion of O₂ (0.859) than the theoretical ratio (1.5), O₂ will be used before all S be consumed, and O₂ is the limiting reactant.

4) Calcuate theoretical yield (using the limiting reactant):

0.1875 mol O₂ / x = 3 mol O₂ / 2 mol SO₃

x = 0.1875 × 2 / 3 mol SO₃ = 0.125 mol SO₃

5) Yield in grams:

mass = number of moles × molar mass = 0.125 mol × 80.06 g/mol = 10.0 g

6) Percent yield:

Percent yield, % = (actual yield / theoretical yield) × 100

% = (7.9 g / 10.0 g) × 100 = 79%

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3 years ago

Which type of chemical reaction does this word equation exemplify: iron metal plus copper (II) sulfate solution yields iron (II)

yan [13]

Answer:

Synthesis

Explanation:

3 0

3 years ago

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Calculate the mass of CO2 produced from the complete combustion of 1.00g of C2H2.

sergeinik [125]

I don't know the answer

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3 years ago