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Questions in chemistry
📝 Answered - Which is defined as moles of solute per liter of solution? A. Molarity B. Formality C. Density D. Molality E. Normality
📝 Answered - True or false: Inside a nuclear power plant, nuclear fission takes place within the heat exchanger.
📝 Answered - How are elements identified in terms of their atoms?
📝 Answered - Which of the following elements may occur in the greatest number of different oxidation states? A. C B. F C. O D. Ca E. Na
📝 Answered - What is the difference between endothermic and exothermic reactions?
📝 Answered - Find the number of moles of argon in 452 g of argon.
📝 Answered - What is the molar mass of the following compound, rounded to the nearest gram? \[ \text{Na}_2\text{S}_2\text{O}_3 \]
📝 Answered - Identify the type of reaction in \[ \text{KBrO}_3(s) \rightarrow \text{KBr}(s) + \text{O}_2(g) \]
📝 Answered - Suggest two reasons why the UK government wants to encourage recycling of iron and steel.
📝 Answered - Why does some friction occur with seemingly smooth surfaces?
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