2. A Mg(OH)2 solution has a concentration of 4.0x10-5 M. Calculate the molarity of each ion in solution. 3. The Ksp for Mg(OH)2 is 2.6 x 10-13. Assuming that magnesium hydroxide dissociates completely upon dissolving and that there are no other important equilibria affecting the solubility, calculate the solubility in pure water, of magnesium hydroxide in mol/L and in g/L.

Q: 2. Write down the chemical reaction for the heating of the hydrated form of copper II sulfate. The…

A: Mass of hydrated copper sulphate = 4.1g  Mass of anhydrated copper sulphate = 2.6g  Mass of water =…

Q: Number 6

A: Meters (m) and miles (mi) are the units of length. The relation between meter and mile is expressed…

Q: temperature of 20.°C is equivalent to ________ K.

A: Given :- Temperature = 20.°C   To calculate = Temperature in kelvin

Q: Show work. 89MM TO INCHES

A:

Q: 21.0 calories is equal to how many joules?

A:

Q: What type of glassware is used for quantitative work? A. Volumetric flask B. Beaker C. Erlenmeyer…

A: Given : Different type of glassware used for quantitative work.  To find : which type of glassware…

Q: Consider the following three small particle theory views of small volumes of materials. Motion is…

A: Higher temperatur leads to higher kinetic energy of the material, as kinetic energy is directly…

Q: a) Convert 100 Btu to kcal b) Convert 100 hp to kW

A: In this question we need to use the conversion factor to convert the unit to the desired unit.  Btu…

Q: Part A Weigh the mass of the dried metal strips from test tubes 1 and 5 using the electronic…

A: The objective of this question is to measure and record the mass of the dried metal strips from test…

Q: Calculate the Cal (kcal) in one cup of whole milk that contains 19 g of carbohydrate, 9g of fat, and…

A:

Q: 1. Classify the following as physical or chemical changes and exothermic or endothermic processes.…

A: If a process is reversible that by applying opposite force or any other way we get the same product,…

Q: Power is defined as energy per time, so it is the number of joules, or calories, a system produces…

A: First, we need to convert the energy in food from Calories to joules. We know that 1 food Calorie is…

Q: property M experiment A sample of X is carefully weighed and put inside a sealed calorimeter. Pure…

A:

Q: 35 kJkJ to calories

A:

Q: Calculate the fluid intake in milliliters (mL) for the following lunch. (Assume a glass holds 8 oz.)…

A: 1 glass = 8 Oz  1 Oz = 29.57 mL

Q: Use the simulator to add 20 grams of solid ammonium nitrate (default temperature is 20 °C ) to  100…

A:

Q: A chemistry student in lab needs to fill a temperature-control tank with water. The tank measures…

A: Dimension of tank are as follows:Length = 33 cmWidth = 23 cmDepth = 9 cmDiameter of round-bottom…

Q: When there is going to be a frost in Florida, farmers will spray their crops with water before the…

A: When frost threatens crops in Florida, farmers employ a strategy of spraying water on their crops as…

Q: How many calories 5000 Joules are?. No computation, no points

A: There are different units of heat-  1- joule 2- calorie

Q: Test Tube #2: Unknown sample (KCLO3 + KCL) 1. Determine the weight of unknown heated. 2. Determine…

A: In the presence of a MnO2 catalyst, KClO3 decomposes to form potassium chloride and oxygen gas on…

Q: Table 3.4. Standardization of NaOH solution. Conditions Trial 1 Trial 2 Primary standard Weight of…

A: The neutralization of KHP (potassium hydrogen phthalate) using NaOH occurs when the gram equivalents…

Q: Number 5

A: The mass of the diamond is converted from carats to grams.

Q: Use the heating-cooling curve below to answer the following questions. 160 Temperature (°C) 110l A…

A: Answer: This question is based on the pattern of change in temperature when heat is added to the…

Q: Number 7

A: The unit conversion of has to be found.Given,Weight of truck is 1.45×103 pound

Q: Class A 25 mL Pipette Calibration Actual Volume Mass of Water Delivered, g Calibration Initial Mass,…

A: Data given: Calibration # Initial mass, g Final mass, g Mass if water delivered, g Actual volume…

Q: 2Na(1) + CaCl,(s) → Ca() + 2NaCl(s) Na (s) → Na (g) The following process occurs in a high school…

A: A chemical change occur when a chemical reaction occurs which is characterized by some bond break…

Q: 1 of 4 I Review | Constants | Periodic Tab Part A The goose has a mass of 24.8 lb (pounds) and is…

A: Convert the unit of mass and velocity as follows,

Q: . Convert 68852 millijoules into Calories. (Write your answer in the decimal form. Do not include…

A: 1 millijoule = 2.39 x 10-4  cal

Q: Clearly show your work. Use conversion factors to convert the following units to another units. A.…

A: A. 4.5 min to secondsB. 49820 ms to secondsC. 5 hours to secondsA. 745 nmB. 11 mA

Q: An automobile of 3000 kg travels toward north with a constant velocity of 70 km/h . All forces…

A: Force is given by: F=m×a where m is the mass and a is the acceleration.

Q: Given the following values, determine the percentage of copper recovered. Show all work. Mass of…

A: Mass of first weighing bottle = 0.214 gMass of first weighing bottle + copper wire = 0.501 gMass of…

Q: Part 1: what is the total calories that the man would gain if he only ate 225 grams from his steak?…

A: Given, mass of steak = 16 oz