From Questions to Solutions

Determine \(\Delta G°\) for the reaction: \[2 \text{NO}_2(g) \rightarrow \text{N}_2\text{O}_4(g)\] at 25°C. Given: \[\Delta G°_f (\text{NO}_2) = 51.3 \, \text{kJ/mol}\] \[\Delta G°_f (\text{N}_2\text{O}_4) = 97.8 \, \text{kJ/mol}\]

What is the normal temperature range for a rectal temperature? A) 35.5 to 37.5 °C (95.9 to 99.5 °F) B) 36.6 to 38 °C (97.9 to 100.4 °F) C) 34.7

Three weeks after starting imatinib, J.L. comes to the hospital to report persistent fever and a large maculopapular eruption on his face, abdomen, and lower limbs. On examination, his temperature

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

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

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 coil has an inductance of 0.7 H and is connected in series with a resistance of 220 ohms. When an alternating e.m.f. of 220 V at 50 Hz is

Each costume needs 46 centimeters of red ribbon and three times as much yellow ribbon. What is the total length of ribbon needed for 64 costumes? Express your answer in

The specific heat of liquid ethanol, \(\text{C}_2\text{H}_5\text{OH}(l)\), is 2.46 J/g·°C, and the heat of vaporization is 39.3 kJ/mol. The boiling point of ethanol is 78.3 °C. What amount of enthalpy

Abigail obtained 36.6 grams of calcium carbonate after performing a reaction. From her calculations, she knew she should have obtained 44.1 grams. What was her percent yield?

Heat is measured in: A. g/cm\(^3\) B. degrees Celsius C. degrees Celsius and degrees Fahrenheit D. degrees Fahrenheit E. calories

An ethylene glycol solution contains 21.4 g of ethylene glycol (\(C_2H_6O_2\)) in 97.6 mL of water. Required: a. Determine the freezing point of the solution. Express your answer in degrees

A daredevil is shot out of a cannon at an angle of 31.3 degrees to the horizontal with an initial speed of 27.7 m/s. A net is positioned at a

find the magnetic flux through a solenoid of length 35.9 cm, radius 2.5 cm, and 920 turns that carries a current of 1.5 a. 8.73 times 10-3 wb 13.09 times

A reaction has a theoretical yield of 56.9 g. When the reaction is carried out, 36.6 g of the product is obtained.