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Yakvenalex [24]
3 years ago
14

Which statements are true of solutions?

Chemistry
1 answer:
Dimas [21]3 years ago
4 0

Answer: they contain solutes and solvents, their particles must be evenly distributed, they may contain solid liquid and gas simultaneously, and they are homogeneous matter.

Explanation:

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Magnesium reacts with fluorine to form magnesium fluoride. Which diagram shows the correct arrangement of electrons in the produ
likoan [24]

Answer:

Diagram B shows the correct arrangement of electrons in the product.

5 0
3 years ago
2055 Q. No. 10^-2
insens350 [35]

Answer:

11

Explanation:

Moles of KOH = 10^{-2}

Volume of water = 10 liters

Concentration of KOH is given by

[KOH]=\dfrac{10^{-2}}{10}\\\Rightarrow [KOH]=10^{-3}\ \text{M}

[KOH] is strong base so we have the following relation

[KOH]=[OH^{-}]=10^{-3}\ \text{M}

pOH=-\log [OH^{-}]=-\log10^{-3}

\Rightarrow pH=14-3=11

So, pH of the solution is 11

5 0
3 years ago
Four forces are exerted on each of the two objects shown below:
zzz [600]

Answer:

A: Object A will move in the up direction. But not object B

Explanation:

It will move in the up direction because object A has an unbalanced force. For the up direction there, it is 6 newtons and for the bottom direction, it is 2 newtons. For the right and left direction, both of them are 3 newtons. So object A will move in the up direction because it has the most newtons(which is 6).

For Object B, it is unbalanced too. But object B will move to the right because it is 2 newtons there and there is one newton on the left. Furthermore, the up and down directions are 3 newtons. So they are balanced and will cancel out. Therefore, object A will move in the right direction because it has the most newtons(which is 3).

So the final answer is object A. Hope it helped!

4 0
3 years ago
1. What causes water's low vapor pressure? (1 point)
arsen [322]
<span>1. What causes water's low vapor pressure? (1 point)
dispersion forces
dispersion forces
covalent bonding
hydrogen bonding
ionic attractions
2. Which of the following substances is the most soluble in water? (1 point)
sodium chloride
methane
bromine
carbon
3. Which of the following substances is NOT an electrolyte? (1 point)
KCl
CCl4
LiCl
Na2SO4
4. Which of the following mixture types can be filtered to remove solute? (1 point)
suspensions only
colloids only
suspensions and colloids
suspensions and solutions
5. Which of the following mixtures is NOT a colloid? (1 point)
fog
milk
paint
sugar water
6. Which of the following types of mixtures exhibit the Tyndall effect? (1 point)
suspensions and colloids
suspensions and solutions
colloids and solutions
colloids only
7. An emulsyfying agent is typically characterized by having ____. (1 point)
one polar end
one nonpolar end
one nonpolar end
two polar ends
one polar end and one nonpolar end</span>
5 0
4 years ago
The molar mass of BeBr2 is
valentina_108 [34]

Answer:

168.812 g/mol

Explanation:

atomic mass. of Be= 9.012

atomic mass of Br= 79.90

because there is a 2 after Br you double the atomic mass

79.90(2)= 159.8

To find the molar mass add the atomic masses of each element

9.012+159.8=168.812

3 0
4 years ago
Read 2 more answers
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