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3 years ago

Plzzzzzzzzzzzzzzzzzz tell the answers

Chemistry

1 answer:

ElenaW [278]3 years ago

5 0

6.Pure ethanol will irritate the skin and eyes and can cause some sort of poisoning to the body
7.Because Methanol has to first be turned into formaldehyde in the body. Humans have an enzyme called alcohol dehydrogenase, which oxidizes alcohol compounds (adds an oxygen, effectively.) If you drink a beer, the ethanol is converted to acetaldehyde which is a slightly toxic intermediate.
8.Like methanol, ethanol is metabolized by ADH, but the enzyme's affinity for ethanolis 10-20 times higher than it is for methanol. Fomepizole is also metabolized by ADH; however, its use is limited because of high cost and lack of availability. Hemodialysis can easily remove methanol and formic acid.
9. CALL POISON CONTROL IMMEDIATLEY

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H4X - pKa1 =1.5

Nataly [62]

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3 years ago

How to keep pipes from freezing during power outage?.

Maurinko [17]

Answer: Running water, even at a trickle, helps prevent pipes from freezing. If you decide to use fuel-burning equipment, such as a kerosene heater, ensure it is vented to outside and kept clear of any vents. Keep garage doors closed if there are water supply lines in the garage.

Explanation:

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2 years ago

Read 2 more answers

What is the formula ofchromium(III) hydrogensulfate?

FromTheMoon [43]

Answer:

Cr (HSO4)3

Explanation:

its molecular weight is 343.20 g/mol

its molecular formula can also be written as CrH3O12S3

molar mass of Cr (HSO4)3 can be calculated by following method;

atomic mass of Cr = 51.9961 u

atomic mass of H = 1 u

atomic mass of S = 32.065 u

atomic mass of O = 16 u

molar mass of Cr(HSO4)3 = 51.9961+ 1.00784×3 + 32.065×3 + 15.999×12

molar mass of Cr(HSO4)3 =51.9961+3.02352+96.195+ 191.988

molar mass of Cr(HSO4)3 = 343.20 g/mol

3 0

3 years ago

What energy is it when you flip on a switch on a lamp

Natalka [10]

Electric energy converted to light energy

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3 years ago

In which of the following reactions does a decrease in the volume of the reaction vessel at constant

Black_prince [1.1K]

Answer:

The correct option is: A) 2H₂(g) + O₂(g) → 2H₂O(g)

Explanation:

According to the Le Chatelier's principle, change in the volume of the reaction system causes equilibrium to shift in the direction that reduces the effect of the volume change.

When the volume decreases then the pressure of the reaction vessel increases, then the equilibrium shifts towards the reaction side that produces less number of moles of gas.

A) 2H₂(g) + O₂(g) → 2H₂O(g)

The number of moles of reactant is 3 and number of moles of product is 2.

Therefore, when volume decreases, the equilibrium shifts towards the product side, thereby favoring the formation of products.

B) NO₂(g) + CO(g) → NO(g) + CO₂(g)

The number of moles of reactant and product both is 2.

Therefore, when the volume decreases, the equilibrium does not shift in any direction.

C) H₂(g) + I₂(g) → 2HI(g)

The number of moles of reactant and product both is 2.

Therefore, when the volume decreases, the equilibrium does not shift in any direction.

D) 2O₃(g) → 3O₂(g)

The number of moles of reactant is 2 and number of moles of product is 3.

Therefore, when volume decreases, the equilibrium shifts towards the reactant side, thereby favoring the formation of reactants.

E) MgCO₃(s) → MgO(s) + CO₂(g)

The number of moles of reactant is 1 and number of moles of product is 2.

Therefore, when volume decreases, the equilibrium shifts towards the reactant side, thereby favoring the formation of reactants.

6 0

3 years ago