Question 13 Explain, with reference to relevant theory and formulae, why the following situation is analyzed with the points 1 and 2 positioned as shown in the diagram below. Magnifying glass Water jet VV Hose
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- /ext/map/index.html?_con%3Dcon&external_browser%3D08launchUrl%=https%253/ Chapter 6 HW # 2 Saved 3 attempts left Check my work Be sure to answer all parts. 1 A mercury mirror forms inside a test tube as a result of the thermal decomposition of mercury(II) points oxide: 2 HgO(s) →2 Hg(!) + O2(g) AH = 181.6 kJ References (a) How much heat is needed to decompose 513 g of the oxide? kJ (b) If 607 kJ of heat is absorbed, how many grams of Hg form? x 100 g Hg (Enter your answer in scientific notation.) Mc Graw Hill < Prev 3 of 15-ELON TWEETED HOD * OWLV2 | Online teaching and I + UPDATES AVAILABLE akeAssignment/takeCovalentActivity.do?locator=assignment-take Do you want to restart to install these un or try tonight? [Review Topics] [References) 2req Use the References to access important values if needed for this question. A sample of hydrogen gas at a pressure of 810 mm Hg and a temperature of 42 °C, occupies a volume of 14.4 liters. If the gas is heated at constant pressure to a temperature of 76 °C, the volume of the gas sample will be L. 2req Submit Answer Retry Entire Group 9 more group attempts remaining Visited Next PreviousSee the attached pictures
- 1000 ml of oxygen at STP were passed through an ozoniser and the resulting volume was 888 ml at STP. This quantity of ozonised oxygen is passed through excess of KI solution. The weight of I2 liberated is(a) 25.4 g (b) 12.7 g(c) 2.54 g (d) 1.27 gThere are 20 kg of exhaust gas formed per kg of fuel oil burned in the combustion of diesoline C16H32. What is the excess air percent.1. An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295 k, and the volume of hydrogen gas collected was 35.6 mL. The calculated value of R was 82.1 mL atm K^-1 mol^-1. (a) How many grams of magnesium metal were used? (b) If the vapor pressure of water had not been taken into account, what would have been the calculated value of R? (c) If the syringe volume had been incorrectly read, giving a calculated system volume of 25.6 mL, what would have been the percent error in the calculated value of R?
- (4) (а) Given the following equation, solve for p 2mg V =A 6.53 g sample of mixture of magnesium carbonate and calcium carbonate is treated with excess hydrochloric acid. The resulting reaction produces 1.71 L of carbon dioxide gas @28.0 degrees C and 735 torr pressure.A particle diagram is a symbolic representation of atoms and molecules at the microscopic level. Which of the following particle diagrams represents the following stage of the Pbl procedure: • In the side-arm flask after the vacuum filtration
