Chemistry, 29.01.2020 08:44 cococat7773
Water could be made to boil at 105°c instead of 100°c by
a.)decreasing the external pressure
b.)adding a lot of energy to the water
c.)taking the sample to a higher altitude
d.)increasing the external pressure
Answers: 2
Chemistry, 22.06.2019 09:40
How many grams of aluminum will there be in 98g of al2o3?
Answers: 1
Chemistry, 22.06.2019 12:20
Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.
Answers: 3
Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Water could be made to boil at 105°c instead of 100°c by
a.)decreasing the external pre...
a.)decreasing the external pre...
Chemistry, 02.03.2020 19:23
Computers and Technology, 02.03.2020 19:23