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max2010maxim [7]
3 years ago
9

Which best describes the difference between radiation and conduction? (1 point)

Chemistry
1 answer:
NNADVOKAT [17]3 years ago
6 0

Answer:

B) Conduction requires two objects to be in physical contact.

Explanation:

Conduction is when two objects are directly touching each other. So, the objects must come in physical contact with each other.

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Which isomer of 1-bromo-2-tert-butylcyclohexane reacts faster when refluxed with potassium tert-butoxide?Draw the structure of t
ivolga24 [154]

Answer:

See explanation and image attached

Explanation:

The reaction of 1-bromo-2-tert-butylcyclohexane with  potassium tert-butoxide is an elimination reaction that occurs by E2 mechanism.

The E2 reaction proceeds faster when the hydrogens are in an antiperiplanar position at an angle of 180 degrees.

This is only attainable in the trans isomer of 1-bromo-2-tert-butylcyclohexane. Hence trans 1-bromo-2-tert-butylcyclohexane reacts faster with potassium tert-butoxide

8 0
3 years ago
Which gas is produced when Mg(s) is added to HCl(aq)? O2 H2 Cl2 CO2
mel-nik [20]
When mg reacts with hcl the product is magnesium cloride and hydrogen gas
Mg + 2HCl = MgCl2 + H2
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6 0
4 years ago
WORTH 28 points MUST ANSER ALL 3 Easy POINTS
Vadim26 [7]
What question are you talking about?
3 0
3 years ago
Read 2 more answers
Do diastereomers have different physical properties
ANEK [815]

Answer:

Diastereomers can have different physical properties and reactivity. They have different melting points and boiling points and different densities.

7 0
3 years ago
Which of the following factors affect the vapor pressure of a liquid? Check all that apply. View Available Hint(s) Check all tha
trasher [3.6K]

Answer:

Vapour pressure of liquid is affected by its TEMPERATURE, TYPE OF LIQUID, ADDITION OF SOLUTES.

Explanation:

Vapor pressure is the pressure exerted by a vapor in equilibrium with its liquid. Mathematically, the vapor pressure of liquid is written as:

In (Pvap) = -ΔHvap / R * (1/T) + C

ΔHvap is the enthalpy of vaporization and it is constant for specific liquid, T is the temperature and C is a constant. Temperature therefore affect the vapor pressure of a liquid as increase in temperature can cause an increase in vapor pressure.

The type of liquid also affect the vapor pressure. If the molecules bind to each other strongly in the liquid, it increases vapor pressure to be exerted by the liquid but if the type of liquid is one with weak forces of attraction, the vapor pressure is reduced.

Addition of solute to the liquid increases the boiling temperature of liquids thereby reducing it's vapor pressure.

6 0
3 years ago
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