Carry out the following mathematical operations involving numbers that are expressed in scientific notation. a. (4.057 X 103 ) x (2.001 x 107) b. 4.1 x 10-10   /   3.112 x 10-7

Q: Number 6

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

Q: I need help in calculating the total mass of the unknown #2 sample of copper. The following chemical…

A: The given equations are: 2 Cu2+ + 4 I-  ----> 2 Cus + 2 I2  I2 + 2 S2O3-2 ----> 2 I- +S4O6-2…

Q: A package of beef jerky says that there are 2 serving sizes (1 serving size =28g) in the package.…

A: Interpretation: A package of beef jerky says that there are 2 serving sizes (1 serving size =28g) in…

Q: A protein drug vial has 10,000 Units that requires 4.2 mL of diluent to yield a concentration of…

A: Using dilution formula, final concentration of drug sample can be determined.

Q: A laboratory technician needs 1.00 L of 0.125 mol/L sulfuric acid solution for a quantitative…

A:

Q: 4| Automobile batteries contain sulfuric acid, H,SO4, commonly called "battery acid". This is a…

A: Given : Volume of battery acid = 1.00 gallon  Density of solution = 1.28 g/mL Mass percent of H2SO4…

Q: Convert the following measurement. =0.00397 (kg)/(mol x dL) = ? (g)/(mol x L)   I dont know what…

A:

Q: A 16.0-fl oz bottle of orange extract contains 2.1 × 10² mL of ethanol. What is the significant…

A: Volume of orange extract = 16.0-fl ozVolume of ethanol = 2.1102 mL

Q: tration of the insulin stock solution is 400. units/500. mL. How many units of insulin per hour is…

A: A unit of insulin is the most basic measure of insulin, U-100 is the most common concentration of…

Q: A thermometer is taken from an inside room to the side, where the air temperature is 5°F. After 1…

A: Solution - Newtons law of cooling it is given that the rate at which the temperatue of a body…

Q: 5. Complete the following conversions 10.68 g to mg e. 2.00 in? to cm? b. 6.8 x 10* mg to kg c. 25.0…

A: According to our policy we should solve one question ( If any subpart present then we solve  first…

Q: According to the National Heart, Lung, and Blood Institute, LDL-cholesterol levels of less than 130…

A: LDL-cholesterol stands for low density lipoprotein cholesterol. These cholesterol are bad for the…

Q: What is the mass of 33.7 quarts of water (1 L = 1.057 quarts)? Recall that the density of water is 1…

A: There are several ways to express  the concentration of the solution.  Here we are required to find…

Q: föllówing data was collected from a solution that was prepared to allow a sample of plastic to…

A: The mass v/s density data curve given is,

Q: 1. A patient is to receive 5 mEq of potassium chloride. The available stock is 15 mL of potassium…

A:

Q: A solution is prepared by mixing 13.4 mL of 1-propanol (C3HgO, d= 0.803 g/mL MW= 60.11g/mol) with…

A:

Q: Number 5

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

Q: A student walks over to the balance area with an Erlenmeyer flask in their hand. Before reaching the…

A: Erlenmeyer flask is a conical flask used for performing titrations in the laboratory.

Q: Number 7

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

Q: A stock solution of sodium chloride solution was prepared (at 25°C) by dissolving 250 mg of sodium…

A: Ammonium hydroxide is NH4OH. It will dissociate as : NH4OH(aq.)↔ NH4+ (aq.) +  OH- (aq.) Here,…

Q: The nitric acid solution from part 1 is 70.0% acid and 30.0% water by mass. Using the accepted…

A: The density of Solution = 1.411 g/mL The solution has 70% acid and 30% water by mass. Let's say the…

Q: 8. Convert 46.8°C to degrees Fahrenheit and Kelvin.

A:

Q: A student prepares a 1.3 mM aqueous solution of acetic acid (CH,CO,H). Calculate the fraction of…

A:

Q: bleach container costs $5.98 and it has a volume of 2.4 ml what is the cost per gallon? The density…

A:

Q: The label on a bottle of medicine reads​ "Each 5 mL teaspoonful contains​ glucose, 1.87​ g;…

A: The objective of the question is to find the amount of phosphoric acid in a given dosage of medicine…

Q: 210 mg glucose per 100 ml blood. Avg body contains 11 pints, how many grams glucose. 1 pt =…

A:

Q: Gm= 8.50g. Cp= 3.30 g. Mm= 7.10g 2Gc+ 1Mm+4Cp=1Sm 2. a. Is there a relationship between the mass of…

A: The objective of this question is to show the mass of one s'more is determined by combining masses…