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vlada-n [284]
3 years ago
5

Students in science are studying solutions and the dissolving rate of solids. One group was given some instant lemonade mix to

Chemistry
1 answer:
UkoKoshka [18]3 years ago
7 0

Answer: A E D C

Explanation:

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3 years ago
Calcium oxide and oxygen gas are produced by the thermal decomposition of limestone in the reaction CaCO (s) CaO(s) + CO (g). Wh
kozerog [31]
The mass of lime that  can  be produced  from  4.510 Kg of limestone  is calculated  as  below

calculate the moles  of CaCO3  used

that is  moles =mass/molar mass
convert  Kg  to g  = 4.510 x1000 =4510g
=  4510 / 100 =45.10 moles
CaCO3 = CaO  +O2

by use of mole ratio between CaCO3  to CaO  (1:1) the  moles of CaO  is also= 45.10 moles
mass of CaO = moles x molar  mass

45.10  x56 = 2525.6  g  of  CaO



6 0
3 years ago
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This picture shows a desert environment, which is home to many lizards, small mammals, and cacti
kotykmax [81]

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A

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5 0
2 years ago
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The density of gold is 19.32 g/mL. What is the volume, in mL, of a nugget of gold with a mass of 55.07 g?
Vika [28.1K]

Answer: 2.850

Explanation:

19.32=\frac{55.07}{v}\\19.32v=55.07\\v=\frac{55.07}{19.32}=\boxed{2.850 \text{ mL}}

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What is the volume of 2.0 mol CO2 at STP?
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