Select all of the true statements regarding chemical equilibrium. The concentrations of reactants and products are equal. The concentrations of reactants and products remain constant. Reactants are being converted to products and vice versa. The rates of the forward and reverse reactions are equal.

Q: Two units of measurement for energy are calories and joules. The measurement of 32.3 kj is the same…

A: Energy can be measured in Joules as well as in Calories and Joule is the SI unit of energy.…

Q: Questions 1.39

A: The reaction is as follows,

Q: The coldest temperature ever measured in the United States is -80 °F, recorded on January 23, 1971,…

A:

Q: . When table salt is placed in water and stirred it dissolves and a clear liquid is obtained. This…

A: On the basis of changes; all processes can be classified as physical change and chemical change. The…

Q: Iron has a density of 7.9 g/cm3. What is the mass of a cube of iron with the length of one side…

A: ⊙ we know,   Density=massvolume⊙volume of cube-(edge length)3

Q: 7) Cats love to play with balls of yarn. If a 3.75 inch diameter ball of yarn weighs 0.110 lbs, what…

A: Given: Mass of ball = 0.110 lb Diameter of ball = 3.75 inch Radius of ball = 3.75 inch/2 = 1.875…

Q: If object A weighs 6.0 grams and has a volume of 3.0 mL and object B weighs 9.0 grams and has a…

A: Given :-  Mass of object A = 6.0 g  Volume of object A = 3.0 mL  Mass of object B = 9.0 g  Volume of…

Q: A plastic cube has a length of 1.35 cm on each side. If the cube has a mass of 2.60 g : a) What is…

A: Given: length of cube is 1.35 cm. Mass of cube is 2.60 g.

Q: Calculate the density of an object that weighs 25.8 g and has a volume 5.2 cm3, density = g/cm3.…

A: Both Mass and volume are extensive property whose value depends upon the amount of susbtance.…

Q: A 75 g sample of sodium chloride (table salt) is to be produced by evaporating to dryness a quantity…

A: NaCl = 3.5 % by mass % by mass = Mass ofsolutemass of sea water solution×1003.5 % = M1 g×100M =…

Q: How many joules are in 510 Cal (food calories)?

A: Given ,  Energy in cal = 510 cal

Q: 6. What is the difference between ACCURACY and PRECISION?

A: Accuracy:The measurement of how close the calculated value to the standard value is said to be…

Q: Aluminum is a useful metal because it can be rolled into thin sheets and bend into different shapes.…

A: All the chemical elements can be broadly divided into metals, metalloids, and nonmetals according to…

Q: 5. Seawater can be made into drinking water by boiling the seawater, collecting the steam, and con…

A: Given that : Sea water can be made into drinking water by boiling the seawater, collecting the steam…

Q: When completely filled with water, the beaker and its contents have a total mass of 405.55 g.405.55…

A: In the given question we have to find out the volume of beaker occupied by water then by considering…

Q: 20. An object with a mass of 6.3 kg has a force of 7.1 newtons applied to it. What is the resulting…

A: The answers of the above questions are given in following steps.

Q: Enter an equality for the following medication in stock: 80 mg of Clozapine per 1 tablet of…

A: Equality is a sign used to represent two quantities that are equal to each other. In the given…

Q: Identify the following as a physical or chemical change: (a) water boils at 212 °F (b) applying an…

A: Physical changes: These changes involve a change in the physical properties of a substance…

Q: An example of a semiconductor is ZnS with a particle diameter of 1.8 nanometers. Convert this value…

A: Applying basics relationship between nm to dm and nm to inches.

Q: In which form of water are the water moleculesfarthest apart?

A: There are three states of matter Solid Liquid Gas Now, lets see how molecules are associated with…

Q: Calculate the amount of heat needed to boil 14.8 g of ethanol (CH,CH,OH), beginning from a…

A: Answer: Boiling the given sample of ethanol is a two step process: 1. Heating of ethanol up to it…

Q: If the scrap value of copper is $3.81 per pound, and each penny contains 2.95 g of copper, what is…

A: Unit conversion refers conversion of a physical quantity from one unit to another unit of same…

Q: A medium sized carrot weight 61 g and contains 6 g of carbohydrate. What percent by mass of the…

A:

Q: The formula below is for an oral mixture used to treat pain and infections in the mouth. How many…

A: Given, Volume of Nystain = 60 mL Teaspoonful of doses = 2

Q: 1. SiO2(s) + C(s) Si(s) + CO(g)

A: Given- SiO2(s) + C(s) --> Si(s) + CO(g)

Q: 1.22 A match is lit and held under a cold piece of metal. The followingobservations are made: (a)…

A: Physical changes are those in which change is physical appearance takes place like smell, heat etc.…