From Questions to Solutions

A sample of oxygen was collected in a tube over water. In the tube, there is a mixture of oxygen gas and gaseous water (steam). The total pressure of the

(a) How many minutes does it take to form 10.0 L of [tex]$O_2$[/tex] measured at 99.8 kPa and 28°C from water if a current of 1.3 A passes through the

Jonah is reviewing the final exam scores of the previous year's graduates in the Engineering program from which he is about to graduate. The final exam scores of students were

How many feet are in 39.4 inches?

The formula to convert Celsius to Fahrenheit is [tex]F = \frac{9}{5}C + 32[/tex]. Convert 45 degrees Fahrenheit to Celsius. Round to the nearest degree.

A patient has a far point of 36.9 cm and a near point of 21 cm. What power (in diopters) should be prescribed to correct the patient's vision?

What is the surface area of this triangular prism rounded to the nearest tenth? A) 18.5 m\(^2\) B) 36.9 m\(^2\) C) 43.6 m\(^2\) D) 87.2 m\(^2\)

What is the final temperature of 12 g of 33 °C water when it absorbs 2000 joules of heat? A. 40.8 °C B. 38.2 °C C. 35.6 °C D. 32.9

Find the measure of F. A. 44 B. 88 C. 90 D. 46

If the measurement of a central angle is [tex]$\frac{5 \pi}{6}$[/tex], find the length of its intercepted arc in a circle with a radius of 15 inches.a. [tex]33.4[/tex] inches b. [tex]35.6[/tex]

How many moles of methane are produced when 36.6 moles of carbon dioxide gas react with excess hydrogen gas? Express your answer with the appropriate units.

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

The following data set represents the average number of minutes played for a random sample of professional basketball players in a recent season: 35.9, 33.8, 34.7, 31.5, 33.2, 29.1, 30.7,

Calculate the empirical formula for: a. [tex]39.3 \% \, \text{Na}, \, 60.7 \% \, \text{Cl}[/tex] b. [tex]56.5 \% \, \text{K}, \, 8.7 \% \, \text{C}, \, 34.8 \% \, \text{O}[/tex]

Tucker and Emily both had math tests today. Tucker got 16 out of 20 questions correct. Emily said she got the same percentage correct, but she had 25 questions on