From Questions to Solutions

How many moles of methane are produced when 36.6 moles of carbon dioxide gas react with excess hydrogen gas?

In a town last year, two extreme daily temperature changes took place. On a winter day, the temperature dropped from 46 ∘ F to 23 ∘ F. On a spring

The plates of a spherical capacitor have radii 36.9 mm and 41.3 mm. (a) Calculate the capacitance. (a) Number: _____ Units: _____

Round 97.8 to the nearest tenth.

What is the pressure in a 5.00 L tank with 7.90 moles of oxygen at 39.3 °C?

What is the pressure in a 5 L tank with 1.5 moles of oxygen at 39.3 degrees Celsius?

A sealed plastic syringe has a pressure of 97.8 kPa when it is set at 8.00 mL. If the syringe’s pressure changes to 125 kPa, what is the new volume?

**Problem 1:** Ammonium nitrite decomposes to give off nitrogen gas and liquid water. How many grams of ammonium nitrite must have reacted if 2.58 L of gas was collected over

A 94% confidence interval for the population variance is given by (85.8, 112.0, 106.1, 972.0, 914.0, 89.1, 821.0, 923.0, 130.0, 1134.0, 115.0, 119.1, 99.1, 108.6, 1114.0, 1153.0, 115.1, 107.1, 1078.0,

You are considering opening a new plant. The plant will cost $ 97.7 million up front and will take one year to build. After that it is expected to produce

Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM. Find the values of [tex]$\overline{d}$[/tex] and [tex]$s_{d}$[/tex]. In general, what does [tex][tex]$\mu_{d}$[/tex][/tex]

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

On a summer day, the outdoor temperature in Washington, DC was 36.5 °C. What was this outdoor temperature in °F? A. 98.0 °F B. 52.3 °F C. 97.7 °F D.

A certain chemical reaction releases 35.9 kJ/g of heat for each gram of reactant consumed. How can you calculate what mass of reactant will produce 820 J of heat?

Dara 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. Add 273 to