From Questions to Solutions

If you were to plot 36.948515 on a number line, would it be closer to 36.9 or to 37?

Listed below are the top 10 annual salaries (in millions of dollars) of TV personalities: 38.5, 35.9, 34.9, 28, 14.5, 12.2, 11.2, 9.4, 10.6, 7.6 Find the following for the

How many grams of water are produced when 35.0 grams of methane (CH₄) reacts with oxygen (O₂) in the following balanced equation? \[ \text{CH}_4 + 2\text{O}_2 \rightarrow \text{CO}_2 + 2\text{H}_2\text{O}

The normal boiling point of ethanol is 78.3°C, and its molar enthalpy of vaporization is 39.3 kJ/mol. What is the vapor pressure at 30.0°C? A. 43.6 kPa B. 37.2 kPa

what is the energy needed to melt 20 g of sodium (Na) from 200.0 °c to 75.0 °c? the melting point of sodium is 97.8 °c and the boiling point

A roll of ribbon was 9 meters long. Kevin cut 8 pieces of ribbon, each of length 0.8 meters, to tie some presents. He then cut the remaining ribbon into

Which of the following thermometers is divided into 100 equal parts? A. Celsius and Fahrenheit B. Fahrenheit and Kelvin C. Kelvin and Celsius D. Only Fahrenheit

If a person weighs 100 pounds on Earth, how much would they weigh if they were to land on the equator of Saturn? A. 91 pounds B. 99.8 pounds C.

A race is 36.9 miles long. There is a water station every \(1 \frac{23}{100}\) miles along the race route. What is the total number of water stations?

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

Rita's water tank contains 7.8 gallons of water. She will begin filling her water tank at a rate of 2.1 gallons per minute. Wendy's water tank contains 97.8 gallons of

What is the mass percentage of 38.2 g of calamine in a 349 g solution? Your answer should have three significant figures. Provide your answer below:

The maximum value of \( f(x, y) \) subject to the constraint \( g(x, y) = 220 \) is 6200. The method of Lagrange multipliers gives \(\lambda = 25\). Find

Noam had a length of \( 13 \frac{1}{3} \) cm of ribbon and cut \( 3 \frac{1}{3} \) equal-sized strips the full width of the ribbon. How long is each

Given the following free energies of formation: \[ C_2H_2(g), \ \delta G_f^\circ = 209.2 \ \text{kJ/mol} \] \[ C_2H_6(g), \ \delta G_f^\circ = -32.85 \ \text{kJ/mol} \] Calculate \( K_p