From Questions to Solutions

Calculate the number of allowed modes per unit volume in the wavelength range between 100 nm and 100.2 nm in an enclosure of volume 100 cm³. A) \(5.4 \times 10^{18}\)

A sample of carbon dioxide gas collected at a pressure of 242 mm Hg and a temperature of 304 K has a mass of 38.2 grams. The volume of the

38.2 is what percent of 25? Round to the nearest hundredth.

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) =

When 4.6 g of ethanol ([tex]C_2H_6O[/tex], MW = 46.07 g/mol) was dissolved in 10.4 g of water, the temperature of the system increased from 20.0 °C to 35.9 °C. What

What is the range of this data set? \{36.6, 39.8, 33.3, 34.8, 38.5, 39.6, 36.7, 36.9, 37.5, 32.2, 33.1, 33.3\} Enter your answer as a decimal in the box.

A chair is pulled by two horizontal forces. The first force is 122 N at an angle of [tex]43.6^{\circ}[/tex], and the second is 97.6 N at an angle of [tex]49.9^{\circ}[/tex].What

What type of plug outlets can have 110-volt or 220-volt? 1) 110-volt only 2) 220-volt only 3) Both 110-volt and 220-volt 4) Neither 110-volt nor 220-volt

Which expression is equivalent to [tex]$30\left(\frac{1}{2} x-2\right)+40\left(\frac{3}{4} y-4\right)$[/tex]?A. [tex]45xy - 220[/tex]B. [tex]15x - 30y - 220[/tex]C. [tex]15x + 30y - 220[/tex]D. [tex]15x + 30y - 64[/tex]

For the elementary process \(2 \text{NOCl}(g) \rightarrow \text{Cl}_2(g) + 2 \text{NO}(g)\), the activation energy (\(E_a\)) and overall \(\Delta E\) are 97.8 kJ/mol and 74.5 kJ/mol, respectively. What is the activation

To find the number of inches in 3.5 meters, multiply the number of meters given (3.5) by: A. 36 B. 25.4 C. 39.4 D. 0.305

The difference of a number and 123.4 is greater than 100.2. What numbers can fit these requirements? A) Any number greater than 223.6 B) Any number between 223.6 and 123.4

Given an actual demand of 69, a previous forecast of 64, and an alpha of 0.2, what would the forecast for the next period be using simple exponential smoothing? A.

A coil has an inductance of [tex]$\frac{2.2}{\pi}$[/tex] H and is joined in series with a resistance of 220 ohms. When an alternating e.m.f. of 220 V at 50 c.p.s. is

What is the mass percentage of 38.2 g of calamine in a 349 g solution?