Chemistry, 26.09.2021 16:30, kaylaelaine18
Which statement below is false?
A. Thermal energy transfers can be tracked as it flows through a system.
B. A constant input of energy, often in the form of heat, is needed to keep an endothermic reaction going.
C. In order to build a chemical bond energy is needed.
D. An exothermic reaction is a chemical reaction in which more energy is needed to break bonds in the reactants than is released when new bonds form in the products.
Answers: 3
Chemistry, 22.06.2019 13:30, Sbeech7246
Why does asexual reproduction result in offspring with identicle genetic variation
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Chemistry, 22.06.2019 15:00, kandi2565
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ยบc and rises to an altitude where its volume is twenty times the original volume and its temperature is โ 50.0ยบc ?
Answers: 2
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
Which statement below is false?
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