CHEMISTRY HIGH SCHOOL

What is the term for an unsaturated hydrocarbon with at least one double carbon-carbon bond?

Answers

Answer 1

Answer: The term is alkenes. one double carbon-carbon bond is referred to as Alkenes or Alkynes

Answer 2

Answer:

Answer:

The term is alkenes. one double carbon-carbon bond is referred to as Alkenes or Alkynes

Explanation:

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Which formula represents a molecular compound?
(1) Kr (3) N2O4
(2) LiOH (4) NaI

Answers

N2O4 is the only option from the list that represents a molecular compound, since compounds must contain at least two different atoms, although these can be from different groups.

Answer: Option (3) is the correct answer.

Explanation:

A molecular compound is a compound in which atoms used to share electrons and thus results in the formation of covalent bonds.

For example, $N_(2)O_(4)$ is a covalent compound and hence, it is a molecular compound.

Whereas LiOH and NaI are ionic compounds as their atoms has transferred electrons.

Therefore, we can conclude that out of the given options, $N_(2)O_(4)$ is the formula which represents a molecular compound.

Find the density of evaporated milk if 411 grams occupy 384 cm^3

Answers

Answer:

The answer is 1.07 g/cm³

Explanation:

The density of a substance can be found by using the formula

$density = (mass)/(volume) \n$

From the question

mass = 411 g

volume = 384 cm³

We have

$density = (411)/(384) \n = 1.0703125$

We have the final answer as

1.07 g/cm³

Hope this helps you

What is the Celsius temperature of 1 mole of a gas that has an average kinetic energy of 3,866 joules?

Answers

Temperature can be calculated using the average kinetic energy. The ideal gas equation is being related to the average molecular kinetic energy.

PV = nRT
PV = (2/3) N(0.5mv^2)

By substituting and simplifying, we eventually get the equation.

KE = (3/2)RT
T = 3866 x 2 / 8.3145 x 3 = 309.98 K or 36.83 degrees Celsius

4. How many protons are there in this atom?5. How many neutrons are there in this atom?
6. How many electrons are there in this atom?
7. What is the atomic weight of this atom?
8. Does the mass on the periodic table round to
the mass this atom has?
9. What atom is this?
9p+
10 n°
10. For each electron shown, write on the diagram to indicate which orbital (1s, 2s, 2p,...)
each electron is in.
11. Draw the orbital filling diagram for this atom. (Orbital filling is the thing with the boxes
and the arrows).
12. Write the electron configuration (1s"2s*) for this atom.