Use the periodic table to determine the electron configuration for aluminum (al) and arsenic (as) in noble-gas notation.

The experimental procedure has you wash your thermometer and dry it after you measure the temperature of naoh solution and before you measure the temperature of the hcl solution. why

A compound has a molar mass of 86.0 g/mol and an empirical formula of C3H7 what is the molecular formula

What are the uses of chemistry?

At what temperature in K will 4.00 moles of gas occupy a volume of 12.0 L at a pressure of 5.60 atm?

Which of the following is a type of signaling protein? A. Glycine B. Hormone C. Myosin D. Collagen

What are the pros of using steel?

Cation a has a + 3 charge and is small. cation b has a + 1 charge and is large. which is more likely to occupy negatively charged sites on a clay mineral given equal concentrations in solution? cation a cation b they are the same

Show your work, including units, for the following series of calculations: a. How many moles of Al are in 1.25 g of Al? b.

An aqueous solution at 25 °C has a pOH of 12.42. Calculate the pH. Round your answer to 2 decimal places

A student records the mass of a piece of iron. The iron is then left outside until it rusts. What type of reaction occurs, and how does the mass of the object after rusting compare with its original mass?