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An air refrigerator works between the pressure limit of 1 bar and 5 bar
A bimetallic strip of iron and Brass is 20mm long at a temperature of 50°C if the strip is uniformly heated to 750°C,find the difference in length between the iron and the Brass (alpha=12×10^-6 _ k-1, alpha=Brass 19×10^-6k-1
A student sees a flash of lightning between a cloud and the Earth. The student estimates the time interval between seeing the flash and hearing the sound of thunder. The time interval is about 6.5m/s. Show that the distance to the thunder cloud is about 2 km.
(4L²−0.2L³)=0 find average production of labor marginal production
For the reaction C + 2H2 → CH4, how many grams of hydrogen are required to produce 3.6 moles of methane, CH4 ?
Round your answer to the nearest tenth. If you answer is a whole number like 4, report the answer as 4.0
Use the following molar masses. If you do not use these masses, the computer will mark your answer incorrect.:
2 NH3 + 3 CuO → 3 Cu + N2 + 3 H2O
In the above equation, how many grams of N2 can be made when 18.4 moles of CuO are consumed?
Round your answer to the nearest tenth. If you answer is a whole number like 4, report the answer as 4.0
Use the following molar masses. If you do not use these masses, the computer will mark your answer incorrect.:
3 Cu + 8HNO3 → 3 Cu(NO3)2 + 2 NO + 4 H2O
In the above equation, how many grams of water can be made when 3.5 moles of HNO3 are consumed?
Round your answer to the nearest tenth. If you answer is a whole number like 4, report the answer as 4.0
Use the following molar masses. If you do not use these masses, the computer will mark your answer incorrect.:
S + 6 HNO3 → H2SO4 + 6 NO2 + 2 H2O
In the above equation, how many grams of water can be made when 12.6 moles of HNO3 are consumed?
Round your answer to the nearest tenth. If you answer is a whole number like 4, report the answer as 4.0
Use the following molar masses. If you do not use these masses, the computer will mark your answer incorrect.:
For the reaction C + 2H2 → CH4, how many grams of hydrogen are required to produce 1.6 moles of methane, CH4 ?
Round your answer to the nearest tenth. If you answer is a whole number like 4, report the answer as 4.0
Use the following molar masses. If you do not use these masses, the computer will mark your answer incorrect.:
2 NH3 + 3 CuO → 3 Cu + N2 + 3 H2O
In the above equation, how many grams of N2 can be made when 4.4 moles of CuO are consumed?
Round your answer to the nearest tenth. If you answer is a whole number like 4, report the answer as 4.0
Use the following molar masses. If you do not use these masses, the computer will mark your answer incorrect.:
