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12345 [234]
3 years ago
11

Li + H2O + LiOH + H2 How do I balance this?

Chemistry
1 answer:
umka2103 [35]3 years ago
6 0

Answer:

2Li + 2H2O → 2LiOH + H2

Explanation:

Lithium + Water = Lithium Hydroxide + Dihydrogen

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You do not see any clouds in the sky, which inference could you make about the weather??
RUDIKE [14]

Answer:

Explanation:

This indicate that there is a type of pressure or anticyclone that is affecting the area. This means Air would sink down slowly, instead of it rising and cooling.

It happen that Sometimes the clouds heat up and the liquid water will change into vapor. The water droplets present in the clouds will not be as heavy as the surrounding air

7 0
3 years ago
A compound in a copper ore has the following percentage composition by mass:
AveGali [126]
1) since we are given percentages, we can assume we have 100 grams of the molecule.

55.6 % Cu ----> 55.6 grams Cu
16.4 % Fe------> 16.4 grams Fe
28.0% S--------> 28.0 grams S

2) convert each gram to moles using the molar masses given

55.6 g Cu \frac{1 mol}{63.5 g} = 0.876 mol Cu
16.4 g Fe \frac{1 mol}{56.0 g} = 0.293 mol Fe
28.0 gS \frac{1 mol}{32.0} = 0.875 mol S

3) we divide the smallest value of moles (0.293) to each one.

Cu --> 0.876 / 0.293= 3
Fe---> 0.293 / 0.293= 1
S-----> 0.875 / 0.293= 3

4) let's write the empirical formula

Cu₃FeS₃
6 0
3 years ago
What would be the best technique to separate an insoluble solid from a liquid, like sand from water?
kogti [31]
Filtration. Filtration is good<span> for separating an </span>insoluble solid from a liquid. (An insoluble<span> substance is one that </span>does<span> not dissolve). </span>Sand<span>, for example, can be separated from a mixture of </span>sand<span> and </span>water<span> using filtration.</span>
6 0
4 years ago
Read 2 more answers
When the concentration of PCl₃(g) is increased to 1.2 M, the ratio of products to reactants is 4.0. The equilibrium constant for
Natali [406]

Answer:

B. toward the products

Explanation:

The equilibrium constant of an equilibrium reaction measures relative amounts of the products and the reactants present at equilibrium. It is the ratio of the concentration of the products and the reactants each raised to their stoichiometric coefficients. The concentration of the liquid and the gaseous species does not change and thus is not written in the expression.

Thus, on increasing the concentration of any one of the reactant, the value of equilibrium constant will decrease.

The reaction quotient of an equilibrium reaction measures relative amounts of the products and the reactants present during the course of the reaction at  particular point in the time.

Q < Kc , reaction will proceed in forward direction.

Q > Kc , reaction will proceed in backward direction.

Q = Kc , reaction at equilibrium.

<u>Since, given that The equilibrium constant for the reaction is 24. On increasing the concentration of one of the reactant, the reaction quotient will become less than Kc and thus, go in forward direction which means that towards the product.</u>

5 0
4 years ago
When a gas turns straight into a solid what is it called
xenn [34]
This process is called deposition.
4 0
3 years ago
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