10/26/22

I need help solving this because it is a multiple choice question.
Which of the equations represents the line that contains the point (-3,11) and is parallel to a line that has a slope of 8/3? Select all that apply.A. y=8/3x+3B. y=8/3x+19C. 3x+8y=11D.8x-3y=11E.... more
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10/26/22

nitrogen gas reacts

how many grams of NH3 can be produced from 16.0g of H2
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10/25/22

i need help if i want to have my birthday this year i need to get at least a d- in chem please help

A newly discovered element is given the symbol Z. The element is found to have two dominant isotopes, Z-185 and Z-188. The mass of Z-185 is measured to be 184.825 amu and its percent abundance is... more
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10/25/22

write b exponent of 4 times b with a exponent of 2
i need help
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10/25/22

the product of n and 9 is 43
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10/25/22

Triangle ABC: A = 100, B = 79, C = ?
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10/23/22

Calculate the maximum mass of water that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits. 
Gaseous butane CH3CH22CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. Suppose 20. g of butane is mixed with 37.9 g of oxygen. Calculate the... more
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10/23/22

Calculate the minimum mass of hexane that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits. 
Liquid hexane CH3CH24CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. Suppose 6.89 of hexane is mixed with 35. g of oxygen. Calculate the minimum... more
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12/13/16

Rate Word Problem
Nickola swam at a rate of 3 km/hr and ran at a rate of 15 km/hr for a total distance traveled of 97.59 km. If he completed the race in 10.5 hours, how long did he take to complete each part of the... more
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