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Questions in chemistry
📝 Answered - Convert 35 kg to its equivalent in grams using dimensional analysis.
📝 Answered - Convert 14 mm to its equivalent in meters using dimensional analysis.
📝 Answered - Convert 57 mL to its equivalent in L using dimensional analysis.
📝 Answered - Express the following as a chemical equation: \[ \text{BaO} + \text{O}_2 \rightarrow \text{BaO}_2 \]
📝 Answered - The rock in a lead ore deposit contains 84% PbS by mass. How many kilograms of the rock must be processed to obtain 2.3 kg of Pb?
📝 Answered - 2.70 feet is the same as how many centimeters?
📝 Answered - What two phase changes occur between vapor water and liquid water, and at what temperature does each phase change take place?
📝 Answered - Can a change in matter occur in which energy is neither released nor absorbed?
📝 Answered - How many atoms of hydrogen are present in the reactants and in the products? \[ 6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 + 6O_2 \]
📝 Answered - What type of process occurs when solidified wax is converted to liquid wax on heating?
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