Blog

(08.01 MC) What is surface tension? Describe how surface tension in water is useful for plants and animals.

Who created Cancer Linq?

Solve the exponential equation. Express the solution set in terms of natural logarithms.4 x + 4 = 5 2x + 5

(08.02 MC) What is the mass of NaCl required to make 140 grams of a 12% solution of NaCl in water?

Find the logarithm of  . ​

(08.01 LC) What happens to water when it is heated from 0 °C to 4 °C?

Michelle is recording a podcast with her friend Ella. Michelle is recording from her home in Los Angeles while Ella is recording from her office in Miami. To improve the audio quality, Michelle and Ella will each separately record their audio and then Michelle will edit the two audio files together to create a better-sounding recording. What recording technique is this an example of?

(08.02 MC) What is the molarity of a solution prepared by dissolving 30.0 grams of NaOH in enough water to make a solution with a total volume of 2.40 liters?

(08.01 LC) What is a result of the unequal electron sharing in a water molecule?

(08.05 LC) Which statement is true for a solution when its concentration of hydronium ions increases?