Preparation and Properties of Compounds Questions and Answers

Given the following equilibrium equation: heat+ N₂(g) + 3 F2(g) <--> 2 NF3 How would Increasing the size of the reaction container change the equilibrium? It would shift the equilibrium to the right to make more products. It would shift the equilibrium to the right and consume more NF3. It would shift the equilibrium to the left and consume more F2. It would shift the equilibrium to the left and make more N₂.

Given the following reaction: CH3COOH + H₂O <==> CH3COO™ + H3O+ How would Removing CH3COO and adding CH3COOH shift the reaction? This would shift the equilibrium to the right and make the solution more alkaline. This would not shift the equilibrium and pH would remain the same. This would shift the equilibrium to the left and make the solution more alkaline. This would shift the equilibrium to the right and make the solution more acidic. This would shift the equilibrium to the left and make the solution neutral.

SO3 is place into a 1.00 liter container. At equilibrium, the concentration of SO3 is 1.00 M, while the concentration of SO2 is 0.50 M and that of O₂ is 1.50 M. Calculate the value of the equilibrium constant for the following reaction: 2 SO2 + O₂ <=> 2 SO3 (all are gases) Keq = 1.3 Keq = 6.00 Keq = 0.38 Keq = 2.7

For the following reaction, 6.93 grams of sulfur dioxide are mixed with excess water. The reaction yields 6.33 grams of sulfurous acid (H₂SO3). sulfur dioxide (g) + water (1) -> sulfurous acid (H₂SO3) (g) What is the theoretical yield of sulfurous acid (H₂SO3) ? What is the percent yield for this reaction ?

When 1 mole of Al(OH)3 chemically reacts with 1 mole of H3PO4, what salt is formed? a. Al(OH)3 is the salt formed. b. Al3PO4 is the salt formed. c. AIPO4 is the salt formed. d. H3PO4 is the salt formed.

When 1 mole of Mg(OH)2 chemically reacts with 1 mole of H₂S, what salt is formed? a. H₂S is the salt formed. b. MgS2 is the salt formed c. Yes, MgS is the salt magnesium sulfide formed when the cation of the base combines with the anion of the acid. d. Mg(OH)2 is the salt formed.

An acid is a compound that dissociates in water to produce ___ ion, which are ____ Hydronium ions, which are cations. Hydronium ions, which are anions. Hydroxide ions, which are cations. Hydroxide ions, which are anions.

Which statement is correct for pure water? a. if truly pure, water contains only H₂O molecules, and no ions b. pure water contains no hydronium ions c. pure water contains no hydroxide ions d. pure water contains hydronium and hydroxide ions in equal concentrations

What are the expected bond angles in ICl4+? 90 degrees 109.5 degrees 120 degrees 180 degrees

Predict the reactants of this chemical reaction. ___ → CaF₂(aq) + H₂O(l)

The fact that butane gas (found in lighters) as well as gasoline vapor when combined with oxygen burn, relates a two substances. a. intensive physical property b. extensive physical property c. a chemical as well as physical property d. physical property e. chemical property

7. Calculate the mass percent composition of each of the following. a. MgF2 (magnesium fluoride) b. Ca(OH)2 (calcium hydroxide) c. (NH4)3PO4 (ammonium phosphate) d. CaCl2 (calcium chloride) e. Na2Cr₂O7 (sodium dichromate)

How many grams of Ga are there in a sample of Ga that contains the same number of moles as a 92.5 gram sample of C?

Which of the following is the balanced chemical equation for the reaction of magnesium with nitrogen gas (N2) to form magnesium nitride (Mg3N2)? Mg2+ N2 2MgN 3Mg + N2 Mg3N₂ Mg + N → MgN Mg + N2 Mg3N2

21. Using table 5, predict the products that would result from each of the following reaction and balance: a. Combination: Ca(s) + O2(g) -> b. Combustion: C6H6(g) + O2(g) -> c. Decomposition: PbO2 (s) -> d. Single replacement Kl(s) + Cl2(g) -> e. Double replacement CuCl2(aq) + Na2S (aq) ->

The reducing agent typically: A) gains electrons. B) always remains unchanged during a reaction. C) is the oxidized substance. D) is itself reduced. E) none of the above

An argon atom with 18 electrons, each with spin s =1/2, has the electron configuration1s²2s²2p 3s²3p6. In this problem, we will consider some hypothetical scenarios in which electrons carry a different spin value. (a) If the electron spin were s = 1, what would be the electron configuration? (b) If the electron spin were s = 3/2, what would be the electron configuration?

The compound CrCl₂ is an ionic compound. What are the ions of which it is composed? Cation formula ___ Anion formula ___

What is the formula of the ionic compound expected to form between the elements I and Ba?

Use the balanced chemical equation below to answer the questions that follow. HCl(aq) + NaHCO3(aq) →H₂CO3(aq) + NaCl(aq) If you want to produce 18.48 grams of NaCl how much NaHCO3 and HCI must you start with? 18.48 grams of NaCl = And to produce this you need to start with ___ moles of NaHCO3 and ___ molrs of HCl. determine the number of grams you need to start with. NaHCO3 = ___ grams, HCl = ___ grams

Complete the following nuclear bombardment equation by filling in the nuclear symbol for the missing species. 92U235 + 0n1 -> ___ + 36Kr92 + 3 0n1

Consider this reaction CaCO3 (s)---> CaO (s) + CO2 (g), what mass of CaCO3 (Molar mass 100.1 g/mol) will produce 8.66 L of CO2, measured at standard temperature and pressure conditions?

Write the reaction that will happen when the following amphoteric ions are dissolved in water. You will need to write both an acid reaction and a base reaction. (a) H2C6H5O7- H2C6H507- (aq)+ H2O(l) -> HC6H507-2(aq) + H30+(aq) (b) hydrogen phosphate