soressaabebe85 soressaabebe85

17-04-2021
Chemistry

contestada

how we can remove temporary hardness of water?and write the chemical reaction?

Respuesta :

girlybs girlybs

17-04-2021

Answer:

it can be removed

1. by boiling

Ca(HCO3)2 > CaCO3 + H2O +CO2

2. by treating with calcium hydroxide

Answer Link

Otras preguntas

what is 5n=25 equal too I need a lot of help

Why is Roosevelt's speech so memorable? (5 points) He emphasizes certain words and phrases It compared Americans to an army He used logic rather than emotion It

what is 2 1/5 + 1 1/10? A: 3 1/5 B: 3 1/10 C: 3 3/10 D: 3 3/5

how does the physical geography of renaissance europe affect trade and competition among european countries?

Graph the system below and write its solution. 3x+y=7 y=1/3x-3

how did Eisenhower plan to prevent communist revolution in other contries?

Find the measure of a complementary angle if possible 39 degrees

Which situation would most likely result in evolution? A dog has three alleles for a certain fur color. A small population loses a few individuals. A single in

describe why babies born to teen mothers are more likely to have health problems than babies born to adult mothers are

A 28 year old man pays $165 for a one year life insurance policy with coverage of $140,000. If the probability that he will live through the year is 0.994, wha