12/09/22

Physics question

Tarzan (m = 85.0 kg) tries to cross a river by swinging from a vine. The vine is 12.0 m long, and his speed at the bottom of the swing (as he just clears the water) will be 8.50 m/s. Tarzan doesn't... more
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12/08/22

How many grams of hydrochloric acid are required to react completely with 61.8 grams of calcium hydroxide HCl + Ca(OH)2 → CaCl2 + H2O

How many grams of hydrochloric acid are required to react completely with 61.8 grams of calcium hydroxide according to the following unbalanced chemical equation?HCl + Ca(OH)2 → CaCl2 + H2O
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10/18/21

What is the final concentration of phosphate if 2.3 mL of 10mg/L phosphate standard if the final volume is 9 mL?
Enter your numerical answer to one decimal place.
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09/14/21

The proposed mechanism for a reaction is O2 => 2 O SlowO + NO => NO2 Fast Which of the following would be a rate law for the reaction as proposed?

A. rate = k[O2] B. rate = k[NO][O2] C. rate = k[O][O2] D. rate = k[NO][O] E. rate = k[NO2][O2
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05/20/20

I am having an issue finding the correct amount. Ive tried the simple interest formula and the compound interest formula
$20,000 is loaned at a simple interest rate of 8% for 90 days. Find the total amount that must be repaid at the end of the 90-day period. (Round your answer to the nearest cent.)the answer is... more
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05/01/20

What are the tests for oxygen gas and hydrogen gas?
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08/08/19

How can I understand and read things if I cannot understand anything because I have a low IQ, little comprehension capacity and I have difficulty reading texts?
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07/23/19

Growing bacterial culture on gelatin?
I'm very new to experimental biology and don't know much about it. So, i was looking to grow some bacteria in petri dishes and looked up how to do it. Unfortunately, I'm finding it difficult to get... more
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07/16/19

I need to learn English writing for my work
ESL student, need to learn English writing skills for work.
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