From Questions to Solutions

A can of soda has [tex]$1.50 \times 10^2$[/tex] Calories. Convert this energy to units of joules. A. 628 J B. 6280 J C. 35.9 J D. [tex]$3.59 \times 10^4 J$[/tex]

Paula cut ribbon from a spool for a craft project. Each piece of ribbon decreased the length of the ribbon remaining on the spool by 1.2 feet. When Paula finished,

How is the lunar-linked rhythm of fiddler crab courtship similar in mechanism and function to the seasonal timing of plant flowering? (See Concept 39.3.)

What is the pressure in bar of a 4.50 L tank with 2.00 moles of oxygen at 39.3 °C? Given: - R = 0.08314 L·bar/mol·K

A basket contains 13 apples, of which two are rotten. A sample of three apples is selected at random. In how many ways can two rotten apples be chosen? A.

After the journalism club sold 60 magazines, it had [tex]$220[/tex] in profit. After it sold a total of 100 magazines, it had a total of [tex]$420[/tex] in profit. Which equation

Angle of Elevation: At a point 39.3 ft from the base of a tree, the angle of elevation of its top measures 53.4°. Find the height of the tree.

What is the volume of a hemisphere with a radius of 39.4 ft, rounded to the nearest tenth of a cubic foot?

A researcher measured the height of 5 plants and found the following heights: 30.1 cm, 43 cm, 35.9 cm, 31.6 cm, and 45.2 cm. What is the median height of

The table below shows the United States federal education spending in billions of dollars for selected years: [tex]\[ \begin{tabular}{|l|l|} \hline 2012 & \$109.3 \\ \hline 2013 & \$105.1 \\ \hline

An open-ended U-shaped manometer is attached to a container of gas that is exerting a pressure of 104.5 kPa. When the valve is opened: i. State the direction of the

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]\frac{5}{9}[/tex] B. Multiply 46 by [tex]\frac{9}{5}[/tex] C.

Which of the following formulas determines your estimated maximum heart rate? A. 220 - your age B. 220 + your age C. 200 - your age D. 200 + your

Find the equivalent temperatures in Celsius, Fahrenheit, and Kelvin. a) Convert 69°C to Fahrenheit and Kelvin. b) Convert -29°F to Celsius and Kelvin. c) Convert 111 K to Celsius and

At 1.41 atm and 5.92°C, a 2.21 g sample of gas occupies a volume of \( 2.40 \times 10^3 \) mL. Calculate the molar mass of the gas. A. 30.4