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4 years ago

What is condensation

Chemistry

2 answers:

sveta [45]4 years ago

4 0

Answer:

condensation is when a gas becomes a liquid

Explanation:

nirvana33 [79]4 years ago

4 0

Answer:

When water is cooled from it's gaseous state to form into liquid, such as when water from the sea evaporates and rises into the air, cools down and forms clouds.

Explanation:

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Name two compounds with more exothermic lattice energies than scandium oxide and justify your choice.

N76 [4]

Answer:

1 . $Al_2O_3$

2. $TiO_2$

Explanation:

The more stable the ionic compound, the more is it lattice energy.

The more the charge on the cation and the anion, the greater is the lattice energy.
The less the size of the cation and the anion, the greater is the lattice energy.

Scandium oxide ( $Sc_2O_3$ ) is an oxide in which $Sc^{3+}$ behaves as cation and $O^{2-}$ behaves as anion.

The compounds which has higher lattice energy than scandium oxide are:

1 . $Al_2O_3$

This is because the charge are same on the cation and the anion as in the case of the Scandium oxide but the size of the cation $Al^{3+}$ is smaller than $Sc^{3+}$ . Thus, this corresponds to higher lattice energy.

2. $TiO_2$

This is because the charge on the cation $Ti^{4+}$ is greater than that of $Sc^{3+}$ and also the size of the cation $Ti^{4+}$ is smaller than $Sc^{3+}$ . Thus, this corresponds to higher lattice energy.

3 0

3 years ago

If I use warm water on my plants then they will grow faster as hot water increases metabolism this is an example of

Scorpion4ik [409]

Answer:

The options are

A. a hypothesis

B. a theory

C. a research question

D. a scientific explanation

The answer is A. a hypothesis

Explanation:

A hypothesis is referred to as a brief explanation on the occurrence of an event.

In the example above using of warm water on plants was inferred to make it grow faster as hot water increases the metabolism.

3 0

3 years ago

Which field of science studies the composition and matter

Aleks04 [339]

I think chemistry field of science

8 0

4 years ago

Help plz! its a science question

Tresset [83]

Iron fillings can be separated as they are magnetic. Use a magnet to separate the iron fillings away.

Salt can be separated away as they are soluble in water.

3 0

3 years ago

Read 2 more answers

What is the density of motor oil in g/mL if 1.25 quart (qt) weighs 2.25 pounds (lb)?

Doss [256]

Answer:

0.86 g/mL

Explanation:

In order to solve the problem, you have to know the formula for "Density." Density refers to "mass per unit volume." It's formula is:

Density (ρ) = $\frac{mass}{Volume}$

Next, we have to convert the units of measurement in accordance to what is being asked in the problem. It is asking for "g/mL," which means we have to convert 1.25 quarts (qt.) to mL and 2.25 pounds (lbs.) to grams.

Let's solve.

1 quart = 946.35 mL

1.25 qt. x $\frac{946.35 mL}{1 qt.}$ = 1,182.94 mL

1 pound = 453.592 grams

2.25 pounds x $\frac{453.592 grams}{1 pound}$ = 1,020.58 grams

Now that we converted them to their appropriate units of measurement, we can now solve for density.

ρ = $\frac{mass}{Volume}$

ρ = $\frac{1,020.58 grams}{1,182.94 mL}$

ρ = 0.86 g/mL

The density of the motor oil is 0.86 g/mL

5 0

3 years ago

What is condensation ​

What is condensation