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Chemistry Questions
How many moles of ammonia can be made by reacting 7.62 mol of N2 with 26.3...
Calculate the molality and van't Hoff factor (i) for the following aqueous solution: 2.460 mass %...
5. The equilibrium constant, KcKc, is calculated using molar concentrations. For gaseous reactions another form of...
Find the percent ionization & pH of a neutral soln of water at 37 C.
What is the pressure (in atm) of 5.46 mol of gas in a 37.1 L container...
1. Consider a radioisotope “X” with a half-life of 2.5 years. Determine (to the nearest 0.1...
The C-14 activity of a wooden sample is 29.1 counts/min as compared to an activity of...
How many grams of H2SO4 will react 650.0 grams of NaOH? The unbalanced chemical equation is...
Calculate a theoretical yield for the methyl linoleate by assuming trilinolein is the limiting reagent(135mL). trilinolein+methanol=glycerol+...
A current of 5.65 A is passed through a Ni(NO3)2 solution. How long (in hours) would...
Use the periodic table and predict the number of electrons that will be lost or gained...
1. Rank the solutions in order of decreasing [H3O+]: 0.10 M HF, 0.10 M HCl, 0.10...
6. Write a balanced equation describing each of the following chemical reactions. (a) Solid potassium chlorate,...
HF is a weak acid (a monoprotic one). When HF is titrated with a strong base...
Use the principle of periodic trends and chemical bonding to explain the following observations. The atomic...
The state of matter for an object that has neither definite shape nor definite volume is...
a sample of titanium (TI) 0.523 J/g C° that loses 14200 J when it cools from...
The equilibrium constant expression K p for the reaction O2 (g) + H2 (g) <--> 2H2O...
A 166 −mL sample of a 1.5 M sucrose solution is diluted to 450 mL ....
Enter the balanced complete ionic equation for HCl(aq)+K2CO3(aq)→H2O(l)+CO2(g)+KCl(aq). Express your answer as a chemical equation. Identify...
Which of the following aqueous solutions will have the HIGHEST vapor pressure? Assume ideal Van’t Hoff...
2. For the following reactions, determine the equilibrium constants and whether the reactants or products are...
How many grams of NaNO3 would you add to 490 g of H2O to prepare a...
How many milliliters of 0.250M NaOH are required to neutralized 20.00ml of 0.146M H2SO4? Show your...
If an endothermic reaction occurs spontaneously, then it can be correctly inferred that A) a catalyst...
38. Calculate the bond order for an ion with this configuration: (σ2s)2(σ*2s)2(σ2px )2(π2py ,π2pz)4(π*2py, π*2pz)3 40....
Write the molecular and net ionic reactions for: 0.1M NaHSO4 with 0.1M KHC4H4O6 and 0.1M NaHSO4...
Why is it more ideal to synthesize an ester using an acid chloride versus a carboxylic...
Complete ionic equation &nbs
Which of the following does NOT effect the solubility (in g/mL) of an insoluble salt in...
Question 5 options: Calculate the moles of solute in the given quantity of solution. Round your...
Which aqueous solution has the lowest freezing point? A. 8.758.75 m sucrose, C12H22O11C12H22O11 B. 8.758.75 m...
a hot piece of iron at 75 degrees celsius was dropped on a 15g ice cube...
a ball is inflated at a pressure of 2.00 atm at a temperature of 25C. if...
rank the following measurements in order from smallest to largest: 1.0 x10^-3 L, 2.0x10^-3L, 3.0x10^-5 kL,...
when you add nitric acid to the copper wire, what is the gas produced? mononitrogen dioxide...
35Cl2, 35Cl 37Cl & 37Cl2 are in a container with mole percentages of 70, 20 &...
The kinetics of the following second-order reaction were studied as a function of temperature: C2H5Br(aq)+OH−(aq)→C2H5OH(l)+Br−(aq) Temperature...
List as many as possible. Thank you. 1. List an example of a solution or reagent...
Illustrate differences between an isothermal irreversible process and a reversible process by using a P-V diagram,...
Enter a balanced equation for the reaction of chlorine gas with iodine gas. Express your answer...
Does the addition of a small quantity of dilute solution to a large quantity of concentrated...
Use Wades rules to determine the number of cluster electrons, the parent structure, and actual structure...
Nitric acid, HNO3, is a strong acid What is the pH AND [ OH-] of a...
Gaseous methane CH4 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and...
Silver crystallizes in an fcc unit cell. a) How many unit cells are present in a...
2-Consider the reaction H2(g) + Br2(g)  
Which one of the following solutions has the lowest pH? A. a 0.1 M solution of...
What is the angle of the H2O that is critical to its properties? How does it...
What product is produced by condensation of the following: adipic acid and tetramethylenediamine. Provide a linkage...
Which of the following rate expressions describes a reaction having the same rate order as a...
CBr4, SeCl, KrF4, IF3 a) draw the lewis structure for each and identify the shape b)...
A 1.00 liter container (A) contains argon at 5.0 bar pressure. A tap opens into an...
Use the mean value of 533 for Keq to calculate the SCN− concentration in a solution...
Pentane gas is used to blow bubbles in molten polystyrene to make Styrofoam—fun! The normal boiling...
How many milliliters of a 0.900% (m/v) normal saline solution can be prepared from 2.00 g...
Which concentration of a weak acid (HA) and its conjugate base (A-) will make a buffer...
Gaseous butane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water ....
What is the molarity of a solution prepared by dissolving 21.33 g of cadmium (II) bromide...
Which of the following is the simplest aldehyde (formaldehyde)? a. CH3COH b. CH3CH2CHO c. CH3COCH3 d.H2CO
A mixture initially contains A, B, and C in the following concentrations: [A] = 0.352 M...
Calculate the pH of each solution. A solution containing 0.0345 M0.0345 M maleic acid and 0.047...
Can you please explain how to obtain answers to all parts of this question? Please provide...
Calculate the dipole moment of NH3 using the N-H dipole moment of 1.3
V. Explains why it is important to control the temperature in the synthesis of 3-nitrobenzoate. If...
Explain the term chiral pool and please give 5 specific examples of molecules that would qualify...
Calculate ΔA for the isothermal compression of 1.70 mol of an ideal gas at 325 K...
Calculate the Ka of a weak monoprotic acid (HA) if the pH of a 1.0 M...
write out the arrow pushing mechanism ( step by step) for the following reaction microscale reaction...
Calculate the pH of a 0.0360 M HF solution to which sufficient sodium fluoride has been...
A student dissolves 14.g of benzoic acid C7H6O2 in 425.mL of a solvent with a density...
according to the following how many moles of sulfurous acid (H2SO3) will be formed upon the...
Which of the following amino acids could form a hydrogen-bonding interaction between their sidechains? A. Q...
Halothane is an anesthetic that is 12.17% C, 0.51 % H, 40.48% Br, 17.96% Cl, and 28.87%...
Analyzing various samples of bottled water, tap water, and 0.01200 M MgSO4*7H2O. Given that we will...
51.5g of aqueous phosphoric acid is mixed with 52.0g of aqueous sodium hydroxide in a calorimeter....
What are some uses of Nucleophilic Aromatic Substitution reactions in industry? Why is the reaction important?
I Have this quiz that asks which of these compounds can form hydrogen bonds with an...
Determine the oxidation state and valence d electron count for the metal ion in the coordination...
How many forms of a cis-isomer can be drawn? Why is this? Please explain. (the question...
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