Answers: 3
Chemistry, 22.06.2019 08:40
What is the value of keq for the reaction expressed in scientific notation?
Answers: 1
Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Chemistry, 22.06.2019 17:50
Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?
Answers: 2
Chemistry, 22.06.2019 19:30
To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %
Answers: 3
Which temperature scale avoids negative temperatures...
Mathematics, 06.12.2019 07:31
Mathematics, 06.12.2019 07:31
Mathematics, 06.12.2019 07:31
Mathematics, 06.12.2019 07:31
Mathematics, 06.12.2019 07:31
Mathematics, 06.12.2019 07:31
Mathematics, 06.12.2019 07:31
Mathematics, 06.12.2019 07:31
Chemistry, 06.12.2019 07:31
Mathematics, 06.12.2019 07:31