From Questions to Solutions

Calculate the work, in Joules (J), if the volume of a system contracts from 1.55 L to 0.85 L at a constant pressure of 99.8 kPa.

The vapor pressure of ethanol is 100 mmHg at 34.9°C. What is its vapor pressure at 66.5°C? (ΔHvap for ethanol is 39.3 kJ/mol.)

A cylinder with a diameter of 35.9 cm is initially at rest. It is then given an angular acceleration of [tex]$10.1 \, \text{rad/s}^2$[/tex]. Find the tangential speed of the outer

A bus traveling at 11.7 m/s slows to a complete stop. The bus travels 35.9 m while braking. How long does it take the bus to stop?

Find [tex]DF[/tex] if [tex]D[/tex] is between [tex]E[/tex] and [tex]F[/tex], [tex]ED = 6x - 4[/tex], [tex]DF = 3x + 5[/tex], and [tex]EF = 46[/tex]. A. 20 B. 22 C. 26 D.

Lillian claims that she can construct a triangle from a 12-inch rod, a 36-inch rod, and a 39.4-inch rod. Which statement explains whether she is correct?

To determine the temperature in Fahrenheit, multiply the Celsius temperature by 1.8, then add 32. Determine the Celsius temperature if it is 89 degrees Fahrenheit outside.

A parallel-plate capacitor has circular plates with a radius of 7.54 cm and a separation of 1.71 mm. (a) Calculate the capacitance. (b) What charge will appear on the plates

A wheelchair ramp rises from the ground at a 4.5° angle of elevation. The end of the ramp is 3 ft above the ground. How long is the ramp? Round

Question 5 (1 point) You push a 34.2 kg box with a force to 97.7 N. At what rate will the box accelerate? Your Answer:

A hot lump of 35.9 g of copper at an initial temperature of 88.7 °C is placed in 50.0 mL of H2O initially at 25.0 °C and allowed to reach

Given a linear time series trend, [tex]Y = 5.2 + 3.1t[/tex], developed from a data set ranging from the years 2000 to 2009, what is the forecast for 2013 if

Find a formula for \( f(x) \), an exponential function, such that \( f(-1) = 220 \) and \( f(40) = 704 \).

A plane flying at an angle of 36.9 degrees with the horizontal drops a bag of sand from an altitude of 800 meters. The bag is observed to strike the

How many grams of glucose, dissolved in 350.0 g of water, are needed to make a 1.55 m solution? 1) 279 2) 45.5 3) 145 4) 97.7