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Firlakuza [10]
3 years ago
8

(BRAINLIEST) Which of the compounds are used to reduce acidity of soil

Chemistry
1 answer:
Luda [366]3 years ago
7 0

Explanation:

Limestone acts as a soil acid neutralizer and consists of eithercalcium and magnesium carbonate orcalcium carbonate. These are called dolomitic limestone and calciticlimestone respectively

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What is the freezing point, in °C, of a solution made with 1.31 mol of CHCl₃ in 530.0 g of CCl₄?
lutik1710 [3]

Answer: 73.606 °C is the freezing point of the solution made with with 1.31 mol of CHCl3 in 530.0 g of CCl4.A

Explanation: brainliest?

7 0
2 years ago
C2F4 effuses through a barrier at a rate of 4.6x10-6 mol/hour, while an unknown gas effuses at a rate of 5.8x10-6 mol/hour. What
umka21 [38]
The  molar mass  of  the unknown  compound  is   calculated   as   follows

let the unknown  gas be represented by   letter  Y

Rate of C2F4/  rate of  Y  = sqrt of   molar  mass of gas Y/ molar mass of  C2F4

 =  (4.6  x10^-6/ 5.8  x10^-6)  = sqrt  of  Y/ 100

remove  the  square  root  sign  by  squaring  in both  side

(4.6  x  10^-6 / 5.8  x10^-6)^2 =  Y/100

= 0.629 =Y/100

multiply  both side  by  100

Y=  62.9 is  the molar  mass of unknown  gas



5 0
2 years ago
What is the correct electron configuration of the element with atomic number 20?
IgorLugansk [536]

Answer:

D is the correct answer

s orbital contain 2

p orbital contains 6

3 0
2 years ago
What is the difference between a hydrogen ion and a hydroxide ion?
Sophie [7]

Answer:

there is some difference

Explanation:

hydrogen ion --

symbol-H

Charge- 1+ or 1-

it is atom

hydroxide ion --

symbol- OH

charge-. -1

contains.- one oxygen atom and one hydrogen atom.

they are bonded.

it is a molecule

5 0
3 years ago
Which of the following is not observed in a homologous series? ​
Stolb23 [73]

Answer:

Change in chemical properties

Explanation:

4 0
3 years ago
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