From Questions to Solutions

Chlorine consists of 75% chlorine-35 and 25% chlorine-37. Calculate the average atomic mass. A. 35.9 B. 35.5 C. 35.2 D. 36.1

Calculate the molar volume of an ideal gas when the pressure is 0.250 atm and the temperature is 298 K. A. 97.8 L/mol B. 89.6 L/mol C. 5.60 L/mol D.

Which expression is equivalent to [tex]30\left(\frac{1}{2}x - 2\right) + 40\left(\frac{3}{4}y - 4\right)[/tex]? A. [tex]45xy - 220[/tex] B. [tex]15x - 30y - 220[/tex] C. [tex]15x + 30y - 220[/tex] D. [tex]15x

Alexis has two ribbons. One of the ribbons is 40 centimeters long and the other is 70 centimeters long. She wants to cut each ribbon into equal pieces of the

You are given a block of metal with a 'known' mass of 110.2 g. You measure its mass three times and get the following readings: 100.2 g, 100.1 g, and

Convert the temperature from degrees Fahrenheit to degrees Celsius using the function [tex]C(F) = \frac{5}{9}(F-32)[/tex]. What does [tex]C(F)[/tex] represent? A. The temperature of [tex]F[/tex] degrees Fahrenheit converted to degrees Celsius.

A 1.167 g sample contains only vitamin C ([tex]C_6H_8O_6[/tex]) and sucralose ([tex]C_{12}H_{19}Cl_3O_8[/tex]). When the sample is dissolved in water to a total volume of 35.9 mL, the osmotic pressure of

What is [tex] w [/tex] when a gas is compressed from [tex] 54.1 \, \text{L} [/tex] to [tex] 36.6 \, \text{L} [/tex] using a constant external pressure of [tex] 803

Water boils at [tex]100^\circ[/tex] Celsius or [tex]212^\circ[/tex] Fahrenheit. Water freezes at [tex]0^\circ[/tex] Celsius or [tex]32^\circ[/tex] Fahrenheit. If the weather forecaster says it will be [tex]30^\circ[/tex] Celsius today, write and solve

1. Charlie is a florist. He cuts lengths of ribbon to go around vases. Each length of ribbon must be 70 cm. Charlie has a roll of ribbon which is

Two ribbons have lengths of 10 meters and 15 meters, respectively, and need to be cut into pieces of equal length. Find the greatest length of each piece of ribbon.

What is the product of [tex]$8.2 \times 10^9$[/tex] and [tex]$4.5 \times 10^{-5}$[/tex] in scientific notation? A. [tex]$36.9 \times 10^{-45}$[/tex] B. [tex]$12.7 \times 10^4$[/tex] C. [tex]$3.69 \times 10^5$[/tex] D. [tex]$3.69 \times

Randy has 53 inches of ribbon that he cuts into 8 pieces of equal length. What is the length of each piece of ribbon, in inches? Use paper to show

If an average Homo sapiens produces 325 g of feces per day, and 30% of it consists of bacteria, how many grams of bacteria does a person's feces consist of

The nurse is conducting a preoperative assessment on a patient scheduled for gallbladder surgery. The patient reports having a frequent cough producing green sputum for 3 days and denies fever.