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3 years ago

Anyone zinda here ಠ◡ಠ

Chemistry

2 answers:

nignag [31]3 years ago

8 0

Answer:

yes

sister

Explanation:

An antacid is a substance which neutralizes stomach acidity and is used to relieve heartburn, indigestion or an upset stomach. Some antacids have been used in the treatment of constipation and diarrhea. Currently marketed antacids contain salts of aluminum, calcium, magnesium, or sodium.

SCORPION-xisa [38]3 years ago

4 0

Answer:

I don't know

Explanation:

thank you for point

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Two moles of magnesium (Mg) and five moles of oxygen (O2) are placed in a reaction vessel. When magnesium is ignited, it reacts

SOVA2 [1]

Answer:

$\boxed{\text{Mg is the limiting reactant}}$

Explanation:

We are given the amounts of two reactants, so this is a limiting reactant problem.

We know that we will need moles, so, lets assemble the data in one place.

2Mg + O₂ ⟶ 2MgO

n/mol: 2 5

Calculate the moles of MgO we can obtain from each reactant.

From Mg:

The molar ratio of MgO:Mg is 2:2

$\text{Moles of MgO} = \text{2 mol Mg} \times \dfrac{\text{2 mol MgO}}{\text{2 mol Mg}} = \text{2 mol MgO}$

From O₂:

The molar ratio of MgO:O₂ is 2:1.

$\text{Moles of MgO} = \text{5 mol O}_{2} \times \dfrac{\text{2 mol MgO}}{\text{1 mol O}_{2}} = \text{10 mol MgO}\\\\\boxed{\textbf{Mg is the limiting reactant}} \text{ because it gives the smaller amount of MgO}$

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3 years ago

how can the development of energy storage systems help solve the environmental problems caused by acid precipitation

satela [25.4K]

The burning of fossil fuels to supply the electricity we use is a source of sulfur dioxide and nitrogen oxides. Another source is the burning of fuels to power cars, ...

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3 years ago

A particular brand of gasoline has a density of 0.737 g/ml at 25 ∘c. how many grams of this gasoline would fill a 13.0 gal tank

Usimov [2.4K]

Density of gasoline is 0.737 g/mL and volume of tank is 13.0 gal.

Since, 1 US gal=3.78 L

Volume of tank in L will be:

$V=13.0 gal(\frac{3.78 L}{1 gal})=49.14 L$

Also, 1 L=1000 mL

Thus,

$V=49.14 L(\frac{1000 mL}{1 L})=49140 mL$

Mass of gasoline can be calculated as follows:

m=d×V

Here, d is density and V is volume thus,

$m=0.737 g/mL\times 49140 mL=3.62\times 10^{4}g$

Therefore, mass of gasoline will be $3.62\times 10^{4}g$ .

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3 years ago

Is mixing salt into water an example of a chemical synthesis reaction?

enyata [817]

Answer:

Therefore, dissolving salt in water is a chemical change. The reactant (sodium chloride, or Na-Cl) is different from the products (sodium cation and chlorine anion). ... In contrast, dissolving a convalent compound like sugar does not result in a chemical reaction.

Explanation:

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3 years ago

The process by which alkanoic acid reacts reversibly with alkanols is known as what?

Ray Of Light [21]

Answer:

esterification process

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2 years ago

Anyone zinda here ಠ◡ಠ​

Anyone zinda here ಠ◡ಠ