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DochEvi [55]
2 years ago
7

TRY Which element, represented by X, reacts with chlorine to produce the compound XCI?

Chemistry
1 answer:
leonid [27]2 years ago
8 0

Answer:

Aluminum

Explanation:

Each chlorine atom needs one more valence electron to have a full valence electron shell, so X needs to have 3 valuence electrons. The only that satisfies this is aluminum.

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PLSSSS HELP Humus is made of ___________? (Select all that apply.)
Ronch [10]

Answer

I'm pretty sure it would be (Insects, and microorganisms)

Explanation:

If its not correct I'm sry

5 0
3 years ago
In the molecule on the left, areas that have a partial negative charge are pink and areas that have a partial positive charge ar
Gwar [14]

Answer : Option C) An induced dipole will be produced in the molecule on the right.

Explanation : As per the given information there is a polar molecule which is placed on the left side which has partial positive charge at one end and on other end has partial negative charge which shows that it has a dipole in it. It tries to induce the non-polar molecule which is at right side. So, there will be an induce dipole interaction between both when they are placed closer to each other.

3 0
3 years ago
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To be able to see a measurable effect, your boiling point elevation must be at least 1.00°C. Knowing that the Kb­ of water is 0.
ale4655 [162]

Answer : The mass of calcium chloride (in g) needed is, 1.92 grams.

Explanation : Given,

Boiling point of elevation constant (K_b) for water = 0.512^oC/m

Mass of water (solvent) = Density\times Volume=1.00g/mL\times 26.63mL=26.63g=0.02663kg

Molar mass of CaCl_2 = 110.98 g/mole

Formula used :  

\Delta T_b=i\times K_b\times m\\\\\Delta T_b=i\times K_b\times\frac{\text{Mass of }CaCl_2}{\text{Molar mass of }CaCl_2\times \text{Mass of water in kg}}

where,

\Delta T_b = change in boiling point  = 1.00^oC

i = Van't Hoff factor = 3 (for electrolyte)

K_b = boiling point constant for water

m = molality

Now put all the given values in this formula, we get

1.00^oC=3\times (0.512^oC/m)\times \frac{\text{Mass of }CaCl_2}{110.98g/mol\times 0.02663kg}

\text{Mass of }CaCl_2=1.92g

Therefore, the mass of calcium chloride (in g) needed is, 1.92 grams.

4 0
3 years ago
Please help. I’m confused on where to even start
wlad13 [49]

Answer:

b

Explanation:

because it freezer in temperature

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2 years ago
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According to the image below, which season is about to begin in the southern hemisphere?
gladu [14]

Answer:

b

Explanation:

7 0
3 years ago
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