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1.Predict the chemical name of B
2. What is the reaction name for the chemical transition of A to B?
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- What were the starting materials used in the synthesis of the thermochromic material? a. diethylamine HCl and isopropyl alcohol O b. Copper (II) chloride and absolute ethanol O c. diethylamine HCl and CuCl, O d. isopropyl alcohol and pure ethanol2. A platinum ore site in Canada was discovered and everyone heads out to make some money. You obtain 8.25kg of platinum arsenide. Assuming you know how to extract the platinum and sell it, how much money can you make?PtAs2 à Pt + 2As a. What type of reaction will you carry out to extract the platinum? b. Calculate the moles of PtAs2 recovered. c. Calculate the moles of Pt formed. d. Calculate the grams of Pt formed.Consider the following changes:a.N2 (g) → N2 (l)b.CO (g) + H2O (g) → H2 (g) + CO2 (g)c.Ca3P2 (s) + 6H2O (l) → 3Ca(OH)2 (s) + 2PH3 (g)d.2CH3OH (l) + 3O2 (g) → 2CO2 (g) + 4H2O (l)e. I2 (s) → I2 (g)At constant temperature and pressure, in which of these changes is work done by the system on the surroundings? By the surroundings on the system? In which of them is no work done?
- H2X2O3 is a weak acid. What is [X2O32–] in a 0.44 M H2X2O3 solution? A. 1.1 x 10–7 M B. 0.60 M C. 7.1 x 10–7 M D. 1.5 x 10–5 M E. 7.1 x 10–11 M F. 0.11 M G. 1.1 x 10–11 M [Ka1 = 1.1 x 10–7; K a2 = 7.1 x 10–11]) - 11. Tin does not react with iron(II) oxide, but it does reduce lead(II) oxide to lead. What is the correct arrangement of the metals in order of decreasing reactivity? A. tin, lead, iron B. iron, tin, lead C. lead, iron, tin D. tin, iron, lead 314. Acetylide ion formation requires a strong base like NaNH2 which in turn is made using ammonia and Na. The catalyst used in this reaction is a. Cu b. Fe C. Pt d. Pd
- When magnesium is reasted with oxygen to form magnesium or magnesium oxide in the following reaction 2MG + O2 _ 2MG a. An oxidasing agent B. A redusing agent C. Catalyst D. Dehydration agentsO₂N. H₂SO4 (fuming)Consider the following equilibrium. Which way will the system shift, if at all? How would the following changes affect the partial pressures of each gas at the new equilibrium, if at all? How will the equilibrium constant change, if at all?