Answers by Matthew Roknich
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Answers by Matthew Roknich

Answers by Matthew Roknich
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What mass of solid that has a molar mass 89.0 g/mol should be added to 100.0 g of benzene to raise the boiling point of benzene by 2.42°C? (The boiling point elevation constant of benzene is 2.53°C•kg/mol.
answered Aug 24, 2019
5 votes
133k views
How does a negative ion differ from an uncharged atom of the same element?
answered Jul 25, 2019
6 votes
226k views
last month ,Dory biked 11 times as many miles as early. together they biked a title of 156 miles. how many miles did Dory bike last month?
answered Jul 13, 2019
2 votes
217k views
What Contain pigments to help capture light energy
answered Feb 14, 2019
4 votes
48.9k views
A sporting goods store pays $170 for a rubber raft. The percent of markup is 45%. Find the raft’s selling price.
answered Sep 28, 2018
3 votes
79.5k views
Which county was the first to fly a flag over Texas
answered Sep 6, 2018
3 votes
81.4k views
If you work 8 hours, you earn $84. How much will you earn in 40 hours?
answered Jul 24, 2018
4 votes
8.0k views
You are traveling to the heart of the arabian peninsula, which of the following should you most likely bring ? A)- parka and gloves B)- umbrella and hat C)- light clothing and sunglasses D)- swimsuit and
answered Jul 11, 2018
3 votes
12.7k views
What is the difference between DNA genes and chromosomes
answered May 2, 2018
6 votes
109k views
How to say hello in spanish?
answered Sep 16, 2017
3 votes
73.0k views
Jordan was trading baseball cards with some friends. He gave 15 cards to Tommy and got 3 back. He gave two thirds of his remaining cards to Elaine and kept he rest for himself m. In the end he had 25 cards.
answered Aug 2, 2017
5 votes
118k views
Pedro has determined that the probability his shot will score in a lacrosse game is 0.30. What is the probability that he will score on two consecutive shots?
answered Jul 21, 2017
4 votes
40.2k views
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