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WebEquation to find the amount of heat it takes to change a certain substance's temperature a specific amount. q=m(Cs)∆T. thermal energy transfer equation. q (sys)=-q (surroundings),m(Cs)∆T=-m(Cs)∆T. kilojoules. 1*10^3 joules. pressure-volume work. when the force is caused by a volume change against an external pressure. WebChemistry 2024 Free-Response Questions . Begin your response to . QUESTION 1 . on this page. CHEMISTRY . SECTION II . Time—1 hour and 45 minutes 7 Questions . YOU MAY USE YOUR CALCULATOR FOR THIS SECTION. Directions: Questions 1–3 are long free-response questions that require about 23 minutes each to answer and are worth 10 … perth meaning in hindi
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Webthe atomic number of an element is the total number of which particles in the nucleus. protons and electrons. whats true about the electron configuration of noble gases. the highest occupied s and p levels are completely filled. what electron configuration is most likely to result in an element that is relatively inactive. Websolute. is a component of a solution that is present in lesser quantity than the solvent. solvent. is the solution component present int he largest quantity. electrolytes. formed from solutes that are soluble ionic compounds. nonelectrolytes. formed from nondissociating molecular solutes and are nonconducting. colloidal suspension. Web6.9 gNa/ * 1 mole Na/ = 0.30 moles Na 1 23.0 gNa 3.1 gP/ * 1 mole P/ = 0.10 moles P 1 31.0g P 6.4g O2/ * 1 mole O2/ = 0.20 moles O2 1 32.0g O2 So, the empirical formula is … perth median house price history