Cj

This page lists questions and answers that were posted by visitors named Cj.

Questions

The following questions were asked by visitors named Cj.

A skier wears a jacket filled with goose down that is 15mm thick. Another skier wears a wool sweater that is 7.0mm thick. Both have the same surface area. Assuming the temperature difference between the inner and outer surfaces of each garment is the same...
18 years ago
I need this answer in Scientific Notation please help 7.74x10^-4
14 years ago
Gerrad is a painter. he is using a canvas that is in the shape of a regular hexagon. The perimeter of the canvas is 78 in. The perpendicular distance from a side to the center is 11 in. to the nearest inch. Based on these measurements, what is area of the...
13 years ago
Jeff wants to start a lawn maintenance service to earn money for college. He wants to charge $25 for a small lawn and $35 for a large one. It takes him an average of 2 hours to mow and trim a small lawn and 3 hours to do a large one. He wants to make at l...
13 years ago
mass = 4.5 kg Compare and contrast the mass and weight of this bowling ball on Earth and the moon.
12 years ago
What are the concentrations of benzoic acid and sodium benzoate in a solution that is buffered with a pH of 4.55 and has a freezing point of -2.0 degrees Celsius? (assume complete dissociation and a density of 1.01g/mL for the solution.)
11 years ago
An aqueous solution of barium nitrate has a density of 1.09 g/cm3. The solution is 18.7% barium nitrate by mass. How many nitrate ions are present in 87.6 dL of this solution?
11 years ago
Silver chromate may be prepared by the following reaction. 2 AgNO3(aq) + K2CrO4(aq)  Ag2CrO4(s) + 2 KNO3(aq) Calculate the mass of silver chromate produced when 0.623 L of 1.345 M silver nitrate is reacted with 245 mL of 1.89 M potassium chromate.
11 years ago
Aluminum oxide is formed by reaction of excess oxygen with aluminum. 4 Al(s) + 3 O2(g) -> 2 Al2O3(s) Calculate the mass of aluminum required to form 18.2 kg of aluminum oxide if the reaction has a percent yield of 83.4%.
11 years ago
The synthesis of zinc iodide was performed using 1.8912g of zinc and 1.5965g of iodine. Determine the limiting reactant and calculate the theoretical yield of zinc iodide in grams.
11 years ago
Is there a reaction between Sodium Acetate and Copper (II) Nitrate. If so, what is the balanced equation for it? Also, what type of reaction is it does it form a precipitate?
10 years ago
The question stated: Write a numerator that makes the statement true. 1/2< /10 < 4/5 My answer is 7/10 am I correct< If not please explain. Thanks
9 years ago
The probability that I have to wait at the traffic lights on my way to school is 0.45. Find the probability that on 3 consecutive mornings I have to wait: A) Once B) Twice
9 years ago
Two ofthe inner planets ____?
8 years ago
When are tides in the earth's oceans the highest
8 years ago
1. Which of the following is a theme the author explores in Johnny Tremain? Select all that apply. Answer B. The costs of war D. Coming of age I can’t write all of the questions down because it’s about to die but I will tell you the answers #2. b #3 C #4...
6 years ago
What mass in grams of sodium sulfate would you weigh to prepare to a 100mL solution pf 0.2 M NaHSO4? (Molar mass=120g/mole)
5 years ago
What concentration of sulfuric acid will make a solution of pH=3.4
5 years ago
What concentration of magnesium hydroxide will make a solution of pH=10.87
5 years ago
How many mL of glacial acetic acid would you pipette to prepare a solution of 100mL of 5 M acetic acid solution? (Hint: what is the molarity of glacial acetic acid?)
5 years ago
Write the equilibrium expression for the Ka of Cl3CCO2H
5 years ago
Write the Kb equilibrium expression for sodium 2-mercaptoethanol (H+ binds to S in sodium 2-mercaptoethanol)
5 years ago
What marketing strategies are the credit card companies using?
4 years ago
When a glass rod is rubbed with silk and becomes positively charged, a. electrons are removed from the rod. b. protons are removed from the silk. c. protons are added to the silk. d. the silk remains neutral.
4 years ago
The number Represented by valuable ANC on the number line our integrity
3 years ago
Melissa and Thomas both saw the same problem using different methods
3 years ago
Melissa and Thomas both have the same problem using different methods who solve the problem in correctly and where did they make their first mistake
3 years ago
Which tempo making means at a walking pace
3 years ago

Answers

The following answers were posted by visitors named Cj.