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aksik [14]
3 years ago
13

Explain the steps involved In the purification and treatment of drinking water​

Chemistry
2 answers:
ch4aika [34]3 years ago
7 0

Answer:

<h3>.Get a clean container or kettle.</h3><h3>Pour in clean water</h3><h3>And then start boiling.</h3>

<h3>Or u can put water guard in the cooked H2O</h3>
Natali [406]3 years ago
6 0

Answer:

1) Filter to remove insoluble substances from the water

2) Use carbon to remove odor.

3) Chlorine is used to kill bacteria.

Explanation:

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Sally and Sue took a canoe trip down the Mississippi River. Their average speed for the trip south was 20 miles/hour. 20 miles/h
Anna35 [415]

C

Speed is the time rate at which Sue covers the distance. It is derived by dividing the total distance covered by the total time taken to cover the distance . Usually SI unit for speed is km/h or mph or m/s.

Explanation:

Speed is also referred to as velocity- so the two are synonymous.

Acceleration is the rate at which speed is increasing. It is usually given by SI unit m/s². The opposite of acceleration is deceleration which is the rate at which speed is decreasing.

Distance is the measurement, in meters of kilometers or miles or yards..etc, that has been covered from one point to another.  

Learn More:

For more on speed, velocity, distance and acceleration check out;

brainly.com/question/13874410

brainly.com/question/1822168

#LearnWithBrainly

6 0
2 years ago
Read 2 more answers
Use the table to determine the number of protons for each atom. Then, choose the statement below that is true about the two atom
Lilit [14]
C
The elements are Lithium and Beryllium— just look at the mass number on the periodic table
5 0
2 years ago
Copper(II) sulfate pentahydrate, CuSO4 ·5 H2O, (molar mass 250 g/mol) can be dehydrated by repeated heating in a crucible. Which
prohojiy [21]

Answer:

The water lost is 36% of the total mass of the hydrate

Explanation:

<u>Step 1:</u> Data given

Molar mass of CuSO4*5H2O = 250 g/mol

Molar mass of CuSO4 = 160 g/mol

<u>Step 2:</u> Calculate mass of water lost

Mass of water lost = 250 - 160 = 90 grams

<u>Step 3:</u> Calculate % water

% water = (mass water / total mass of hydrate)*100 %

% water = (90 grams / 250 grams )*100% = 36 %

We can control this by the following equation

The hydrate has 5 moles of H2O

5*18. = 90 grams

(90/250)*100% = 36%

(160/250)*100% = 64 %

The water lost is 36% of the total mass of the hydrate

8 0
3 years ago
Select the statements that correctly describe a buffer. a) An acid added to the buffer solution reacts with the weak base of the
Tom [10]

Answer:

  • <em>(B.) The pH of a buffer solution is determined by the ratio of the concentration of conjugate base to the concentration of strong acid.</em>
  • <em>(C.) A buffer is generally made up of a weak acid and its conjugate base. </em>
  • <em>(D.) The pH of a buffer solution does not change significantly when any amount of a strong acid is added.</em>

Explanation:

A buffer is  solution which resists change in pH upon addition of either acids or bases.

The pH of a buffer is calculated by the ratio of the concentration  of base to concentration of acid. The weak acid and conjugate base have a Ka similar to the pH desired.

3 0
3 years ago
Based on the graph of US population and steel consumption, what could have led to the increase in steel consumption seen
polet [3.4K]

Answer:

A. Whenever the population has increased, steel consumption has increased as well.

Explanation:

Based on the graph of US population and steel consumption, what could have led to the increase in steel consumption seen  on the graph is that whenever the population has increased, steel consumption has increased as well.

A critical look at the graph, you will discover that the population and the steel consumption are moving upwards (i.e they are increasing). It's seen that as the population increases, steel consumption increases. This is true because as the population increases, people are building houses, more transportation systems that require steel are being manufactured, more household utensils that are steel products are being fabricated etc; therefore the consumption of steel increases.

6 0
3 years ago
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