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0/ 1 pts Question 2 During a certain titration, 35.0 mL of 0.175 M aqueous sulfuric acid was required to exactly neutralize 4
2ct Question 6 0/1 pts Calculate the pressure exerted by 5.12 grams of chlorine gas in a 850 mL sealed flask at 27.0°C. 20.9
correct Question 7 0/1 pts Consider the following exothermic reversible reaction at equilibrium: SO3 (g) + NO (g) 4502 (g) +
t Question 8 0/1 pts Calculate the volume (in cm) of 358 ng of manganese. The density of manganese is 7.20 g/cm3 2.58 x 10-6
correct Question 11 0/1 pts Consider the combustion of octane (C3H18), given the following unbalanced equation: CgH 18 + O2 →
Question 12 0/1 pts Which of the following molecules would be expected to observe the highest melting point? PH3 AsH3 Cannot
ect Question 18 0/1 pts What is the oxidizing agent in the following reaction: 2 PbS (s) + 3 O2(g) → 2 PbO (s) + 2 SO2(g) [ba
ect 0/1 pts Question 19 How many individual formaldehyde (CH20 = 30.03 g/mol) molecules are found in a 32.0 mL sample of gase
ncorrect Question 20 0/1 pts Solid mercury(11) oxide decomposes when heated forming liquid mercury and oxygen gas as the only
orrect Question 24 071 pts Urea (CN2H4O) can be synthesized by a controlled reaction of ammonia and carbon dioxide via the fo
rect Question 27 0/1 pts How many significant figures should be in the result of the following computation? (70.9 x 0.9800) +
correct Question 28 0/1 pts Predict the products for the following reaction (ignore balancing): tin(II) nitrate (aq) + potass
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