ap chemistry
Which of I) HCl II) HF III) LiOH IV) HClO2 V) HNO3 are strong acids or strong bases in water?
ap chemistry
Acid rain has a pH value of 3.0, whereas normal rain has a pH value of 5.6. Calculate the ratio of the hydronium ion in acid rain to that in normal rain.
ap chemistry
1. HOI > HOBr > HOCl 2. HOCl > HOBr > HOI 3. HOBr > HOCl > HOI 4. None of these 5. HOI > HOCl > HOBr
ap chemistry
Given the following information, which of the following shows the acids in order from strongest to weakest? The order of atomic radii is I > Br > Cl, the order of bond strengths is HOI > HOBr > HOCl, and the order of electronegativities is Cl > Br > I.
ap chemistry
Arrange the bases I) deuterated ammonia (ND3) Kb = 1.1 × 10−5; II) hydrazine (NH2NH2) Kb = 1.7 × 10−6; III) hydroxylamine (NH2OH) Kb = 1.1 × 10−8; IV) ammonia (NH3) Kb = 1.8 × 10−5; in decreasing order of strengths.
ap chemistry
Iron pyrite (FeS2) is the form in whichmuch of the sulfur exists in coal. In the combustion of coal, oxygen reacts with iron pyrite to produce iron(III) oxide and sulfur dioxide, which is a major source of air pollution and a substantial contributor to acid rain. What mass of ...
ap chemistry
We drop 37.4 grams of magnesium into 461 mL of a 3 M HCl solution. What is the maximum volume of dry hydrogen that could be produced by this reaction at STP? Mg(s) + 2HCl(aq) ! MgCl2(aq) + H2(g) Answer in units of liters
ap chemistry
We observe that 5 grams of a gaseous com- pound occupies 1526 mL at 49C and 672 torr. What is the molecular weight of the com- pound? Answer in units of g/mo
ap chemistry
for the first one i did 2 divided by 14 times 819 and got 116.99 but i dont know how to do the other two problems
ap chemistry
An apparatus consists of a 2 L flask containing nitrogen gas at 25C and 819 kPa, joined by a valve to a 12 L flask containing argon gas at 25C and 51 kPa. The valve is opened and the gases mix. What is the partial pressure of nitrogen after mixing? Answer in units of...
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