Inorganic Chemistry Questions

Write the net ionic equation for the precipitation of zinc carbonate from aqueous solution:

The following statement refers to a good sales strategy in relation to which function of Jung's human awareness: Present your material in an orderly and logical manner. a. Thinking b. Feeling c. Sensing d. Intuiting

When aqueous solutions of ammonium carbonate and silver(I) nitrate are combined, solid silver(I) carbonate and a solution of ammonium nitrate are formed. The net ionic equation for this reaction is:

Calculate (Show all work for credit. Answer should be in significant figures) a. How many meters in 1.00 mile? b. How many centimeters are in 2.00 ft?

A unknown atom has atomic number of 7 and mass number 15. It has s. 7 protons and 7 neutrons. b. 7 protons and 8 neutrons. c. 7 protons and 15 neutrons. d. 15 protons and 7 neutrons. e. 8 protons and 7 neutrons

Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to standardize strong base solutions. It has the unwieldy formula of KHC8H4O4. This is often written in shorthand notation as KHP. If 2.59 grams of KHP are needed to exactly neutralize 23.0 mL of a potassium hydroxide solution, what is the concentration of the base solution?

The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced OXIDATION half reaction. Br + ClO3 → Br₂ + Cr

Consider the balanced equation: 2CH4 + 40₂ → 2CO₂ + 4H₂O If 2.50 mol of each reactant is mixed together, how many moles of CO2 will be produced? a. 2.50 b. 5.00 c. 1.25 d. 4.00 e. 2.00

An aqueous solution of sodium hydroxide is standardized by titration with a 0.128 M solution of hydrochloric acid. If 28.9 ml of base are required to neutralize 23.1 mL of the acid, what is the molarity of the sodium ydroxide solution

Which BEST explains how syllogisms should be used to prove logic? Select one: arrange statements that avoid using emotional logic arrange arguments that avoid using ethos or pathos arrange premises so only one true conclusion is possible arrange fallacies so only one true conclusion is possible

The compound potassium hydroxide is a strong electrolyte. Write the reaction when solid potassium hydroxide is put into water:

1. How many GRAMS of cobalt(II) cyanide are present in 3.07 moles of this compound ? 2. How many MOLES of cobalt(II) cyanide are present in 2.96 grams of this compound ?

An aqueous solution of potassium hydroxide is standardized by titration with a 0.137 M solution of nitric acid. If 11.9 mL of base are required to neutralize 26.1 mL of the acid, what is the molarity of the potassium hydroxide solution?

The compound aluminum iodide is a strong electrolyte. Write the reaction when solid aluminum iodide is put into water:

According to the following reaction, how many grams of phosphoric acid are necessary to form 0.170 moles potassium phosphate? potassium hydroxide (aq) + phosphoric acid (aq) →potassium phosphate (aq) + water (l)

For the following reaction, 0.750 grams of hydrogen gas are allowed to react with 14.3 grams of ethylene (C₂H4). hydrogen (g) + ethylene (C₂H4) (g) -> ethane (C₂H6) (g) What is the maximum amount of ethane (C₂H6) that can be formed? What is the FORMULA for the limiting reagent? What amount of the excess reagent remains after the reaction is complete?

A compound is found to contain 19.73 % nitrogen and 80.27 % fluorine by mass. To answer the question, enter the elements in the order presented above. QUESTION 1: The empirical formula for this compound is QUESTION 2: The molar mass for this compound is 71.01 g/mol. The molecular formula for this compound is

1. How many ATOMS of phosphorus are present in 4.75 moles of phosphorus trichloride ? 2. How many MOLES of chlorine are present in 6.13×1022 molecules of phosphorus trichloride ?

Choose the correct net ionic equation for the reaction between nickel(II) chloride and sodium oxalate. Ni2+ (aq) + C₂04²(aq) → NiC₂O4(s) NiCl₂(aq) + Na₂C₂O4(aq) → NiC₂O4(s) + 2 NaCl(aq) Ni2+ (aq) + 2 Cl(aq) + 2 Na*(aq) + C₂04² (aq) → Ni²+ (aq) + C₂042 (aq) + 2Na*(aq) + 2CH(aq) Ni2+ (aq) + 2 CH(aq) + 2 Na*(aq) + C₂04²(aq) → NIC2O4(s) + 2Na*(aq) + 2CH(aq)

1. How many MOLECULES of boron trifluoride are present in 2.07 grams of this compound? 2. How many GRAMS of boron trifluoride are present in 1.08×1023 molecules of this compound?

Four identical Erlenmeyer flasks contain different gases at the same temperature and pressure, which of the following will have the greatest density a. hydrogen b. helium C. oxygen d. carbon dioxide e. all the same

For the following reaction, 23.0 grams of sodium chloride are allowed to react with 71.5 grams of silver nitrate. sodium chloride (aq) + silver nitrate (aq) →silver chloride (s) + sodium nitrate (aq) What is the maximum amount of silver chloride that can be formed? What is the FORMULA for the limiting reagent? What amount of the excess reagent remains after the reaction is complete?

The compound lead(II) cyanide is a strong electrolyte. Write the reaction when solid lead(II) cyanide is put into water:

The compound copper(II) nitrate is a strong electrolyte. Write the reaction when solid copper(II) nitrate is put into water:

Select the net ionic equation for the following reaction: NaCl(aq) + AgNO3(aq) -> NaNO3(aq) + AgCl(s) Ag (aq) + Cl(aq) -> AgCl(s) Ag(s) + Cl(g) -> AgCl(s) Ag (aq) + NO3(aq) + Nat(aq) + Cl(aq) -> AgCl(s) + Na*(aq) + NO3(aq) AgNO3(aq) + CH(aq) -> AgCl(s) + NO3(aq) NaCl(aq) + Ag*(aq) -> AgCl(s)

The following reactions 2K(s) + Br₂(1)→ 2KBr(s) AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) HCl(aq) + KOH(aq) → H₂O(l) + KCl(aq) are examples of precipitation (two) and acid-base reactions, respectively. redox, precipitation, and acid-base, respectively. Oprecipitation reactions. Oredox reactions. None of these choices are correct.

For the following reaction, 25.2 grams of hydrochloric acid are allowed to react with 51.8 grams of barium hydroxide. hydrochloric acid(aq) + barium hydroxide(aq) barium chloride(aq) + water(l) A.What is the maximum amount of barium chloride that can be formed? B.What is the FORMULA for the limiting reagent? C.What amount of the excess reagent remains after the reaction is complete?

The aspirin substitute, acetaminophen (C8H₂O₂N), is produced by the following three-step synthesis: i. C6H5O3N(s) + 3H₂(g) + HCl(aq) → CeHs ONCI(s) + 2H₂O(l) ii. C, H, ONCI(s) + NaOH(aq) → C6H7 ON (s) + H₂O(l) + NaCl(aq) iii. C&H7 ON (s) + C₂H6O3(1)→ Cg H₂O₂N(s) + HC₂H30₂ (l) The first two reactions have percent yields of 86% and 94% by mass, respectively. The overall reaction yields 13 moles of acetaminophen product for every 17 moles of C6H5O3N reacted. a. What is the percent yield by mass for the overall process? b. What is the percent yield by mass of Step III?

Which of the following compounds is a non-electrolyte? A.acetic acid, CH3CO₂H B.iron(II) chloride FeCl2 C.potassium iodide, Kl D.sodium bicarbonate, NaHCO3 E.iodine

What is an evenly distributed, uniform mixture called? A. A homogeneous mixture B. An ionic solid C. A heterogeneous mixture D. A compound

For the molecular compound phosphorus triiodide, what would you multiply "grams of PI3" by to get the units "moles of PI3" ? grams PI3 ?

You are given 0.902 g of an unknown diprotic acid, H₂A. It reacts with NaOH according to this balanced equation. H₂A(aq) + 2 NaOH(aq) → Na₂A(aq) + 2 H₂O(1) If a volume of 18.0 mL of 0.659 M NaOH is required to react with all of the acid, what is the molar mass of the acid A)38.3 g/mol B)152 g/mol C)304 g/mol D)76.3 g/mol E)15.2 g/mol

A compound is found to contain 14.88 % phosphorus and 85.13 % chlorine by mass. . QUESTION 1: The empirical formula for this compound is_____? QUESTION 2: The molar mass for this compound is 208.2 g/mol. The molecular formula for this compound is_____?

The term brinkmanship refers to: a. willingness to interfere with the national bank. b. willingness to go to the edge, or brink, of war. c. willingness to make peace with another country. d. None of the above.

For the following reaction, 6.02 grams of oxygen gas are mixed with excess carbon (graphite). The reaction yields 5.52 grams of carbon dioxide. carbon (graphite) (s) + oxygen (g) carbon dioxide (g) What is the theoretical yield of carbon dioxide ? What is the percent yield for this reaction ?

Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains: 34 protons and 35 electrons, only. 79 protons, 79 electrons, and 35 neutrons. 35 protons, 79 neutrons, and 35 electrons. 44 protons, 44 electrons, and 35 neutrons. 35 protons, 44 neutrons, 35 electrons.

A compound is found to contain 39.12 % carbon, 8.772 % hydrogen, and 52.11 % oxygen by mass. QUESTION 1: The empirical formula for this compound is_____? QUESTION 2: The molar mass for this compound is 92.11 g/mol. The molecular formula for this compound is______? .

Consider this reaction, which occurs in the atmosphere and contributes to photochemical smog: 4Fe(s) + 302(g) →2Fe₂O3(s) If there is 14.56 g Fe and excess O₂ present, the reaction yields 18.0 g Fe2O3. Calculate the percent yield for the reaction.

For the following reaction, 6.53 grams of iron(II) chloride are mixed with excess silver nitrate. The reaction yields 8.37 grams of iron (II) nitrate. iron(II) chloride (aq) + silver nitrate (aq) → iron(II) nitrate (aq) + silver chloride (s) What is the theoretical yield of iron(II) nitrate? What is the percent yield of iron(II) nitrate?

The term urbanization refers to: a. farming becoming obsolete. b. the forced movement of farmers from rural areas to cities. c. the expansion of cities. d. a loosening of traditional values in rural communites.

The decomposition of 3.82 g NaHCO3 yields 1.78 g Na₂CO3. What is the percent yield of this reaction? 2 NaHCO3(s) → Na₂CO3(s) + CO₂(g) + H₂O(g) 73.9 % 63.1 % 23.3 % 46.6 % 100 %

.A sample of Be weighs 37.0 grams. Will a sample of Al that contains the same number of atoms weigh more or less than 37.0 grams? (more, less):_________ Calculate the mass of a sample of Al that contains the same number of atoms _______grams of Al

A compound is found to contain 39.99 % carbon, 6.727 % hydrogen, and 53.28 % oxygen by mass What is the empirical formula for this compound?

A compound is found to contain 26.94 % nitrogen and 73.06 % fluorine by mass. What is the empirical formula for this compound?

A compound is found to contain 63.65 % nitrogen and 36.35 % oxygen by mass. QUESTION 1: The empirical formula for this compound is______? QUESTION 2: The molar mass for this compound is 44.02 g/mol. The molecular formula for this compound is______?

Which of the following compounds is incorrectly named? CaO is calcium oxide MgSO3 is magnesium sulfite Mg(OH)₂ is magnesium dihydroxide NH4NO3 is ammonium nitrate K3PO4 is potassium phosphate

The following chemical equation, 2 Na(s) + 2 H₂O(l) → 2 NaOH(aq) + H₂(g), is an example of a(n)__________reaction. A)oxidation-reduction and precipitation B)oxidation-reduction and acid-base C)oxidation-reduction D)precipitation E)acid-base reaction.

For the following reaction, 23.5 grams of iron are allowed to react with 5.58 grams of oxygen gas iron(s) + oxygen(g) → iron(II) oxide(s) A)What is the maximum mass of iron(II) oxide that can be formed? B)What is the FORMULA for the limiting reagent? C)What mass of the excess reagent remains after the reaction is complete?

The following reactions: Pb2+ + 21-→ Pbl2 2Ce4+ +21₂ + 2Ce³+ HAC + NH3 → NH4 + OẠC are examples of A)acid-base reactions. B)precipitation, acid-base, and redox reactions, respectively. C)redox, acid-base, and precipitation reactions, respectively. D)unbalanced reactions. E)precipitation, redox, and reactions, respectively.

You are given a compound with the formula MCl2, in which M is a metal. You are told that the metal ion has 27 electrons. What is the identity of the metal? A)Al B)Cu C)Ga D)Ni E)Co