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Taya2010 [7]
3 years ago
14

What is the mass percent of 6.8 of sucrose in 38.4 grams of water

Chemistry
1 answer:
amm18123 years ago
4 0
The answer is 83% percent
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What is scientific literacy?<br><br> Why is it important?
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Answer:Scientific literacy is the knowledge and understanding of scientific concepts and processes required for personal decision making, participation in civic and cultural affairs, and economic productivity. It also includes specific types of abilities.Science literacy is important because it provides a context for addressing societal problems, and because a science- literate populace can better cope with many of its prob- lems and make intelligent and informed decisions that will affect the quality of their lives and those of their children.

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The specific heat for liquid ethanol is 2.46 J/(g•°C). When 210 g of ethanol is cooled from
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Answer:

a) heat it from 23.0 to 78.3

q = (50.0 g) (55.3 °C) (2.46 J/g·°C) =  

b) boil it at 78.3

(39.3 kJ/mol) (50.0 g / 46.0684 g/mol) =  

c) sum up the answers from the two calculations above. Be sure to change the J from the first calc into kJ

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3 years ago
After two half-lives, a sample contains 10 grams of parent isotopes. How many grams of the parent isotope were present to start?
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T=2T
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m=m₀2^(-t/T)

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Which type of mixture can be separated using a sieve?
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Answer:

D: a heterogeneous mixture with components of varying sizes

Heterogeneous mixture is a combination of substances that doesn't have uniform composition and properties. Just by looking at the mixture you can differentiate the compounds because they are so different. Using a sieve, allows the components with different sizes to separate, while one is retained, the others can pass the holes in the sieve.

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I need it done assapp
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