If a measurement is recorded as 1.2 cm what's the smallest marking on the instrument

How many moles of hydrogen gas occupy a volume of 0.25L at STP?

How many meters are equivalent to 50 feet? Use the conversion factor: 1 meter = 3.28084 feet A. 2.55 meters B. 15.24 meters C. 16.85 meters D. 164.042 meters

How many moles are in a 12.0 g sample of Fe2O3?

What is true about empathy? Most anyone can learn this skill. Not everyone can learn this skill. It is a desirable attribute. choices A and C

All are ways to combat water pollution except

A 4.5-liter sample of a gas has 0.80 mole of the gas. If 0.35 mole of the gas is added, what is the final volume of the gas? Temperature and pressure remain constant. 3.9 liters 5.3 liters 6.3 liters 6.5 liters

What is the unit used to measure the atomic mass?

Which metal in Period 5 is very reactive and has two valence electrons in each atom? rubidium (RD) strontium (SI) zirconium (Z1) silver (Ag)

Sara and Sam went for a two-hour drive. According to the graph, between. 75 hours and 1.25 hours into their trip, they A) slowed down to a speed of 15km/hour. B) travelled at a constant rate of 30km/hour.

Define the following terms: acids, bases, oxoacids, oxoanions, and hydrates.