2 years ago

How many grams of oxygen are needed to react with 4.6 grams of titanium(IV) chloride

Chemistry

1 answer:

velikii [3]2 years ago

6 0

The answer is: 0.78g

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100.mL of a .795 M solution of KBr is diluted to 500.mL. what is the new concentration of the solution?

kap26 [50]

Answer:

0.159 M

Explanation:

convert from mL to L then use the equation:

M1V1 = M2V2

rearrange to find M2

$\frac{M1V1}{V2} = M2$

$\frac{(0.795 M)(0.100 L)}{0.500 L} = 0.159 M$

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2 years ago

If an atom has three shell and number of valence electrons are two. Is this element metal

cluponka [151]

Answer:

Metal

Element: Calcium

Valency: 2

Explanation:

To find the element, let's use the periodic table. (Look below)

We already went past 3 shells, just need the 2 electrons after it.

Just skip to the 4th row and count 2 to the right

We end up at Calcium.

Calcium is a metal and we're also on the alkaline earth metals column.

Calcium will need to lose 2 electrons to reach stability, so the valency is 2.

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2 years ago

Chlorine (Cl) forms a salt when it is combined with a metal. This element belongs in _____.

andriy [413]

Chlorine (Cl) forms a salt when it is combined with a metal. This element belongs in <span>halogens.

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2 years ago

A scientist carries out a reaction twice. In Trial A, the scientist combines the reactants in a container. In Trial B, the scien

Paha777 [63]

It would be C because It will have a lower activation energy than Trial A.

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3 years ago

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In addition to displacing halide ions, the acetylide ion also adds to carbonyl groups. 2-Methyl-3-butyn-2-ol (MBI) is an acetyle

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Answer:

Explanation:

check below for explanation.

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