Express as an ordinary number.

6.983 x 104-

How dose the gravitational potential energy of a coaster A compare with that of coaster B

Write the balanced equation for the reaction of aqueous Pb (ClO3) 2 with aqueous NaI.

What type of elements make up most of the periodic table? Nonmetals Metals Metalloids Vertical columns in the periodic table are known as: Question 2 options: Periods Groups Families Both B and C About how many elements are found on the periodic

What type of metal is not attracted to magnets?

When Gerald mixes baking soda and vinegar, the materials combine to turn into a gas. What can Gerald assume occurred?

Which statement about enzymes is true? They are large molecules that decrease the rate of reactions in the body. They are large molecules that increase the rate of biologicallyimportant reactions. They slow the rate of chemical reactions.

How many seconds are you in school every week?

A student decreases the temperature of a 417 cm³ balloon from 278 K to 231 K. Assuming constant pressure, what should the new volume of the balloon be? 376 cm³ 417 cm³ 462 cm³ 924 cm³

How are mixtures and solutions the alike

Consider the statement, In the following process, the number of particles increases, so ΔS for this process must be positive. MgS (s) ⇄ Mg2 + (aq) + S2 - (aq) Is this statement true?