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mojhsa [17]
3 years ago
6

7. What happen if we don't have water?

Chemistry
2 answers:
Ahat [919]3 years ago
4 0

Answer:

our bodies will dehydrate causing us to die a dreadfully excruciating painful death

Snowcat [4.5K]3 years ago
3 0

Answer:

You'll get dehydraded.

Body temperature will increase.

Dehydration would cause chemical imbalance in your body.

You'll get stomach ulcers.

You'll get long period of illness.

Joint pain.

You'll age prematurely.

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What’s the formula for Lithium acetate
notsponge [240]

Answer:

The formula for lithium acetate is CH3COOLi

Explanation:

The formula for lithium acetate is obtained by replacing the hydrogen atom bonding to the oxygen atom in acetic acid with Li as shown below:

CH3COOH + LiOH —> CH3COOLi + H2O

5 0
3 years ago
Which of the following elements has 3 electrons in the outermost d orbital?
Nina [5.8K]

Answer:

A

Explanation:

Element A has 3 electrons in outermost shell so its valency is 3. It will loose 3 electrons to attain stability, as loss of 3 electrons is easier than gain of 5 electrons.

Valency of B is −2 as it will gain 2 electrons to attain stability and combine with other atom.

Valency of A⟶+3

Valency of B⟶−2

(Refer to Image)

Cross multiply valency of A and B

∴A2B3 compound will be formed.

3 0
3 years ago
Calculate the amount of heat required to raise the temperature of a 32g sample of water from 8°C to 22°C.
qwelly [4]

Answer:

The amount of heat required to raise the temperature of a 32g sample of water from 8°C to 22°C is 1,874.432 J

Explanation:

Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.

Sensible heat is the amount of heat that a body absorbs or releases without any changes in its physical state (phase change).

Between heat and temperature there is a direct proportional relationship. The constant of proportionality depends on the substance that constitutes the body and its mass, and is the product of the specific heat and the mass of the body. So, the equation that allows to calculate heat exchanges is:

Q = c * m * ΔT

where Q is the heat exchanged by a body of mass m, constituted by a substance of specific heat c and where ΔT is the variation in temperature.

In this case:

  • c= 4.184 \frac{J}{g*C}
  • m= 32 g
  • ΔT= Tfinal - Tinitial= 22°C - 8°C= 14°C

Replacing:

Q= 32 g* 4.184 \frac{J}{g*C} *14 °C

Solving:

Q= 1,874.432 J

<u><em>The amount of heat required to raise the temperature of a 32g sample of water from 8°C to 22°C is 1,874.432 J</em></u>

7 0
2 years ago
The molar volume of a gas at STP, in liters, is
pashok25 [27]
Answer: 22.4L

Gas at STP means gas at standard temperature and pressure of one mole of an ideal gas

Ideal gas Law PV=nRT

Standard pressure is 1atm or 22.4L

Standard temperature is 273.15K

Any questions feel free to ask. Thanks





3 0
3 years ago
An important step in the synthesis of nitric acid is the conversion of ammonia to nitric oxide. 4NH3(g) + 5O2(g) --&gt; 4NO(g) +
Rina8888 [55]

Answer:

The ΔH°rxn for this reaction is -905.9 kJ

Explanation:

<u>Step 1:</u> Balanced reaction:

4NH3(g) + 5O2(g) --> 4NO(g) + 6H2O(g)

<u />

<u>Step 2</u>: Given data

ΔH°f [NH3(g)] = –45.9 kJ/mol

ΔH°f [NO(g)] = 90.3 kJ/mol

ΔH°f [H2O(g)] = –241.8 kJ/mol

ΔH°f of O2 is defined to be zero

<u>Step 3</u>: Calculate ΔH°rxn

ΔH°rxn = ΔH°products - ΔH°reactants

ΔH°rxn = ((4*90.3) + 6*-(241.8)) - 4*(-45.9) = -905.9 kJ

The ΔH°rxn for this reaction is -905.9 kJ

8 0
3 years ago
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