09/23/20

Calculate the percent composition by mass of each element in NaClO3
% Na% Cl% O
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09/21/20

Help me to answer some stoichiometry question 🙏
1. Given the following equation: 2 KClO3 ---> 2 KCl + 3 O2How many moles of O2 can be produced by letting 12.00 moles of KClO3 react?2. Given the following equation:2 C4H10 + 13 O2 ---> 8 CO2... more
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09/21/20

Kira, Alonzo, and Bob have a total of $130 in their wallets. Bob has 3 times what Alonzo has. Alonzo has 10$ less than Kira. How much do they have in their wallets?
I would also like to be shown how to solve these types of problems, not just the answer.
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09/20/20

Kyle wants to build a rectangular enclosure for his animals. One side of the pen will be against the barn, so he needs no fence on that side.
The other three sides will be enclosed with wire fencing. If Kyle has 450 feet of fencing, you can find the dimensions that maximize the area of the enclosure.a) Let  be the width of the enclosure... more
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09/17/20

Calculate the number of hydrogen atoms in a 100.0 g sample of tetraborane (B4H10)
Calculate the number of hydrogen atoms in a 100.0 g sample of tetraborane (B4H10).Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits.
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09/16/20

Need Help on finding the consecutive integers
Find three consecutive integers such that the sum of 3 times the smallest and 5 times the largest is 90.
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09/16/20

The area of accent rug is 55 square feet. Find the dimensions of the rug if the length is one more than twice the width.
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09/16/20

Algebraic puzzles

What is the sum of four times a number and twice the sum of the same number and three
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09/16/20

Identify the incorrect phrase
“I went to the store” is a prepositional phrase.“Knitting sweaters is relaxing” is a gerund phrase.“I love to run long distance” is an infinitive phrase.“Long novels with unpredictable plot lines... more
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