Chemistry, 01.07.2019 12:00 katlynnschmolke
What is the value of work done on an object when a 70–newton force moves it 9.0 meters in the same direction as the force? a. 7.8 joules b. 6.3 × 102 joules c. -7.8 joules d. 0 joules
Answers: 1
Chemistry, 21.06.2019 21:10, cordovamaria22
Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.
Answers: 1
Chemistry, 22.06.2019 17:50, kaylamount
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
What is the value of work done on an object when a 70–newton force moves it 9.0 meters in the same d...
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