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Bess [88]
3 years ago
13

A student dissolves a substance in water, tests the resulting solution, and observes that red litmus paper turns blue. based on

this result, the solution is
Chemistry
2 answers:
dlinn [17]3 years ago
8 0

Answer:

The solution is a base

Explanation:

A basic solution changes red litmus paper to blue. This is one unique property of a base that differentiate them from All other compound

Doss [256]3 years ago
3 0

Answer:

Basic

Explanation:

A basic solution turns red litmus blue. When a moist red piece of litmus paper is dipped into a basic solution, the red litmus paper turns blue.

The change in the colour of litmus paper is a quick test of the acidity or alkalinity of a solution. Acids turn blue litmus paper red and basic solutions turn red litmus paper blue.

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Explain, in terms of element classification, why KBr is an ionic compound
enot [183]
LBr is ionic compound because k for potassium is metal which means it’s on the left side of the periodic table and Br which is bromine is a non metal which means is on the right side of the periodic table.

In Conclusion when a non metal and metal come together the are called ionic compound
5 0
3 years ago
What is the volume occupied by 30.00 grams of pure gold?​
mr Goodwill [35]

Answer:

I think 1.56

Explanation:

3 0
3 years ago
What is the empiracle formula of amylose?
Jlenok [28]

Answer:

(C6H10O5)n

Explanation:

8 0
3 years ago
At equilibrium at 2500K, [HCl]=0.0625M and [H2]=[Cl2]=0.00450M for the reaction H2+Cl2 ⇌ HCl.
ASHA 777 [7]

Answer:

a. H_2+Cl_2 \rightleftharpoons 2HCl

b. K = 192.9

c. Products are favored.

Explanation:

Hello!

a. In this case, according to the unbalanced chemical reaction we need to balance HCl as shown below:

H_2+Cl_2 \rightleftharpoons 2HCl

In order to reach 2 hydrogen and chlorine atoms at both sides.

b. Here, given the concentrations at equilibrium and the following equilibrium expression, we have:

K=\frac{[HCl]^2}{[H_2][Cl_2]}

Therefore, we plug in the data to obtain:

K=\frac{(0.0625)^2}{(0.00450)(0.00450)}\\\\K=192.9

c. Finally, we infer that since K>>1 the forward reaction towards products is favored.

Best regards!

8 0
2 years ago
What coefficients are needed to balance the following equation?<br><br> H2O + Fe Fe2O3 + H2
earnstyle [38]
H2O+Fe⇒Fe2O3+H2

When it is balanced it would be:

3H2O+2Fe⇒Fe2O3+3H2

When balancing equations, you have to make sure that all elements are equal on each side.

8 0
3 years ago
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