What button on a scientific calculator is used to enter a number in scientific

notation?

О A. Х

O B. COS

O C. EE

O D. CLEAR

Determine the oxidation state of the metals in pbcro4. 1. pb = + 1, cr = + 4 2. pb = + 2, cr = + 4 3. pb = + 2, cr = + 6 4. pb = + 1, cr = + 1 5. pb = + 1, cr = + 6

If a solution has virtually virtually no hydrogen ions, what type of pH does it have?

A. 5 kg pizza is sitting on a kitchen counter 1.5 m high. How much potential energy does the pizza have?

What occurs when a cell engulfs large food particals

A balloon contains 11.1 g of nitrogen monoxide gas (NO). how many molecules are in the balloon?

Why does a neutral solution have a of 7.0? In a neutral solution, the [H3O+]=1*10^-7 at 25∘C. pH=-log[1*10^-7]=7.0. In a neutral solution, the [H3O+]=1*10^7 at 25∘C. pH=log[1*10^7]=7.0. In a neutral solution, the [H3O+]=1*10^14 at 25∘C. pH=0.

Which type of bond would most likely be found in HBr

Which halogen is most likely to react? a. Br (bromine) b. F (fluorine) c. I (iodine) d. Cl (chlorine)

In the formula for water (H2O) what does the subscript 2 indicate?

Balance the nuclear reaction equation for the beta minus decay of nickel-63 by completing the missing numbers. The superscript of nickel is . The subscript of copper is .