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laila [671]
3 years ago
7

No links please answer correctly. A board measurements 213 inches. How many feet is this?

Chemistry
2 answers:
Natalka [10]3 years ago
5 0

Answer:

17.6667 ~ 18 ft

Explanation:

Divide by 12

Zanzabum3 years ago
3 0

Answer:

17.75 feet

Explanation:

You divide 213 by 12 and you get 17.75 feet.

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A 50% antifreeze solution is to be mixed with a 90% antifreeze solution to get 200 liters of a 80% solution. How many liters of
sergey [27]

Answer:

50 ltr 150 ltr

Explanation:

this problem can be solved by the mixture and allegation concept which can be clearly understand from bellow figure in which the concentration of solution 1 is 50% and concentration of solution 2 is 90% before mixing after mixing with help bellow concept the ratio of concentration become 10:30

ratio of solution 1 and solution 2 =10:30

                                                     =1:3

total mixture is 200 liters

part of solution 1=\frac{1}{4} ×200

                           =50 liters

part of solution 2=\frac{3}{4} ×200

                           =150 liters

6 0
3 years ago
What is the specific name for the rock formed when magma cools
Irina-Kira [14]
Igneous Rocks are formed from the cooling of magma or lava.
6 0
3 years ago
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Andrews [41]

Answer:

Give an example of each of the following chemical changes.

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(b) A reaction involving

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(d) A reaction where colour change is noticed.​

Explanation:

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AgCl breaks down and converts into Ag during this photochemical reaction.

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Plants prepare food(carbohydrate) by using sunlight water and CO2 gas.

(b) A reaction involving

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For example when HCl gas reacts with ammonia gas, then a white solid of ammonium chloride will be formed.

(d)  A reaction where the color change is noticed.:

When an iron nail is placed in CuSO4 blue color solution, then it changes to green color and reddish-brown solid deposits at the bottom of the container.

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3 years ago
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emmainna [20.7K]
Answer..............magma
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3 years ago
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what is the balanced equation of magnesium carbonate decomposes on heating to form magnesium oxide and carbon dioxide​
fenix001 [56]

Answer:

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nation:

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3 years ago
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