These are “plug-in-the-number” type activities

Introductory Chemistry 5
Perform each conversion. (a) 155.5 cm to meters (b) 2491.6 g to kilograms (c) 248 cm to millimeters (d) 6781 mL to liters

An Introduction to Chemistry 2
PROBLEM 18QP How many SO2 molecules are in 1.75 mol of SO2? How many sulfur atoms and oxygen atoms are there?

Principles of General Chemistry 2
Problem 17P Use condensed electron configurations and Lewis electron-dot symbols to depict the ions formed from each of the following atoms, and predict the formula of their compound: (a) Cs and S (b) O and Ga (c) N and Mg (d) Br and Li

Physics: Principles with Applications 7
A mass m at the end of a spring oscillates with a frequency of 0.83 Hz. When an additional 780-g mass is added to m, the frequency is 0.60 Hz. What is the value of m?

Principles of Economics 6
Why do economists make assumptions?

Stats Modeling the World 4
Margin of error A medical researcher estimates the percentage of children exposed to lead-based paint, adding that he believes his estimate has a margin of error of about 3%. Explain what the margin of error means.

Urban Economics 8
Teacher Isoquant and Cost Minimization Consider a teacher isoquant, which shows different input combinations that produce a target quantity of output. Suppose the inputs for teacher productivity are graduate course work (on the horizontal axis, ranging from 0 to 10 years) and verbal ability (on the v

Applied Calculus For The Managerial, Life, And Social Sciences: A Brief Approach 10
In Exercises, find dy/dx by implicit differentiation. \(x^{2}+y^{3}=2 e^{2 y}\)