From Questions to Solutions

A balloon has 38.2 g of hydrogen gas at a volume of 428 L. What is the volume of the gas if 10.0 g is let out?

Body fat percentage is a common means of monitoring a person progress during a diet or exercise program. A researcher wonders if they can predict the body fat percentage of

What mass of Au is produced when 0.0500 mol of [tex]$Au_2S_3$[/tex] is reduced completely with excess [tex]$H_2$[/tex]? A. 9.85 g B. 19.7 g C. 24.5 g D. 39.4 g E.

A 39.3 mL solution of 0.853 mol/L H(CO)OH is titrated using 0.669 mol/L NaOH. What volume of NaOH (in mL) is needed to reach the equivalence point in this experiment?

Barbara is converting [tex]$78^{\circ} F$[/tex] to degrees Celsius. First, she subtracts 32 from 78. What is the next step? A. Multiply 46 by [tex]$5 / 9$[/tex] B. Multiply 46 by

Jackie cut a 2-yard spool into 5 equal lengths of ribbon. a. What is the length of each ribbon in yards? Draw a tape diagram to show your thinking. b.

Most of the world uses the Celsius scale instead of the Fahrenheit scale. What is an advantage of the Celsius scale? A. The Celsius degree is larger than the Fahrenheit

For one month, Siera calculated her hometown's average high temperature in degrees Fahrenheit. Convert that temperature from degrees Fahrenheit to degrees Celsius using the function [tex]C(F) = \frac{5}{9}(F - 32)[/tex].

The time for half-change for a gaseous reaction was measured for various initial pressures, and the following data were obtained: | Pressure (p, kPa) | Time (t, min) | |-------------------|---------------|

You are trying to compare the Fahrenheit and Celsius scales. You have two examples: - Temperature A is 50 degrees Celsius and 122 degrees Fahrenheit. - Temperature B is 100

An ideal gas undergoes a reversible isothermal expansion at 87.1°C, increasing its volume from 1.45 L to 3.99 L. The entropy change of the gas is 36.6 J/K. How many

A vector has an x-component of 15.8 m and a y-component of 36.9 m. Find the magnitude of the vector.

If the measurement of a central angle is [tex]5x[/tex], find the length of its intercepted arc in a circle with a radius of 15 inches. A. 33.4 inches B. 35.6

What is the length of side X in a geometric shape when the other sides are 36.6 feet, 33.1 feet, 38.4 feet, and 40.2 feet?

Question 33 of 40 Let [tex]$f(x) = 7x - 4$[/tex]. What is [tex]$f(6)$[/tex]? A. 46 B. 48 C. 42 D. 38