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Vanyuwa [196]
3 years ago
5

Help plz with my science hw

Chemistry
1 answer:
Alex787 [66]3 years ago
3 0
A    k     d     e     l     n      o     c     b     f      i     h      g     m     j

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Materials
nikitadnepr [17]

Answer:

Limestone caves are formed when acid rain occurs.

Explanation:

When chalk pieces which is made of calcium carbonate react with acetic acid, it produces carbon dioxide, calcium acetate, and water. When calcium carbonate react with Carbonated Water produces calcium bicarbonate. Limestone cave forms when the dissolution of limestone occur when rainwater which is acidic due to the addition of carbondioxide in the air react with limestone. This dissolution removes the lime from the rock and caves are formed.

8 0
3 years ago
How many moles are in 68.16 grams of NH3 ?
seropon [69]

Answer:

4.002 mol is in 68.16 grams of NH3

3 0
3 years ago
How does an atom-88 become a strontium ion with a +2 charge?
Fantom [35]

Strontium atom loses 2 electrons to become an ion with 2 electrons lesser than its atom. Your answer is C.

6 0
3 years ago
What is the word for mixture of solids and water, plz an accurate answer, otherwise report.
labwork [276]
Water is H2O but I'm not sure about solids. 
6 0
3 years ago
Calculate the volume of the gas when the pressure of the gas is 1.60 atm at a temperature of 298 K. There are 160. mol of gas in
LekaFEV [45]

Answer:

2445 L

Explanation:

Given:  

Pressure = 1.60 atm

Temperature = 298 K

Volume = ?

n =  160 mol

Using ideal gas equation as:

PV=nRT

where,  

P is the pressure

V is the volume

n is the number of moles

T is the temperature  

R is Gas constant having value = 08206 L.atm/K.mol

Applying the equation as:

1.60 atm × V = 160 mol × 0.08206 L.atm/K.mol × 298 K  

<u>⇒V = 2445.39 L</u>

Answer to four significant digits, Volume = 2445 L

6 0
3 years ago
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