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3 years ago

Why does chlorine react vigorously with hydrogen in the presence of sunlight?

1 answer:

6 0

Chlorine react vigorously with hydrogen in the present of sunlight because chlorine has a great attraction for hydrogen's electron. During the reaction, chlorine and hydrogen will donate one electron each from their valence electrons which will be shared equally by both elements, thus forming a covalent bond.

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Toluene, C7H8, is used in the manufacture of explosives such as TNT (trinitrotoluene). A 1.500 g sample of liquid toluene was pl

dusya [7]

Answer:

There were 63.67 kJ liberated

If 1 mol of toluene was burned, there would be liberated 3906 kJ / mole

Explanation:

Step 1: Data given

Mass of the toluene sample = 1.500 grams

The temperature of the calorimeter rose from 25.000 °C to 26.413 °C

Write the balanced chemical equation for the reaction in the calorimeter.

C7H8(l) + 9O2(g) ⇒ 7CO2(g) + 4H2O(l)

Step 2: Calculate Q of the calorimeter

Q = C * Δt

Q = 45.06 kJ/ °C * ( 26.413 - 25)

Q = 63.67 kJ

Step 3: Calculate moles of toluene

Moles toluene = mass toluene / molar mass toluene

Moles toluene = 1.500 grams /92.14 g/mol

Moles toluene = 0.0163 moles

Step 4: Calculate energy per mole

energy per mole = 63.67 kJ / 0.0163 moles = 3906 kJ / mole

6 0

4 years ago

BRAINLIESTTT ASAP!! PLEASE HELP ME :)

deff fn [24]

Answer:

True

Explanation:

There are two types of Van der waals forces which are intermolecular bonds. These bonds are London dispersion forces and Dipole-dipole attractions.

The london dispersion forces are weak attractions found between non-polar molecues and noble gas.

The attractions here is as a result of the fact that non-polar molecules or atoms sometimes becomes polar because the constant motion of its electrons may lead to an uneven charge distribution at an instant. This leads to the formation of a temporary dipole or instantaneous dipole. The dipole can induce the neighbouring molecules to be distorted and they form dipoles as well.

7 0

4 years ago

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Which of the following is not a catalyst? A. Nickel B. Platinum C. Enzymes D. Phosphorus

Mazyrski [523]

The answer would be D because from my research it's the only one that didn't have a catalyst

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3 years ago

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The punnet square is used to

iris [78.8K]

Determine The probality of offspring traits

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3 years ago

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How do mass and volume relate to density?

IRINA_888 [86]

To solve the equation for Mass, rearrange the equation by multiplying both sides timesVolume in order to isolate Mass, then plug in your known values (Density and Volume). Then solve for Mass.

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3 years ago