How many molecules are in 3.5 moles of ethanol

What element is a colorless gas, stable in air, forms very few compounds, and only in extreme conditions?

What foods contain large amounts of sugars and starches?

A miner finds a small mineral fragment with a volume of 11.5 cm3 and a mass of 57.4 g. what is the density of that mineral fragment?

What two forces are acting on the balloon when it is stuck to the wall and which is stronger?

What is the net force acting on a 0.15-kg hockey puck accelerating at a rate of 12 m/s2

What element is represented by the following electron configuration: 1s22s22p63s23p64s23d4 Question 2 options: Cr Ca Ge Ar

He substance, cocl2, is useful as a humidity indicator because it changes from pale blue to pink as it gains water from moist air. What is its name?

The weighted average atomic mass of an element depends upon the a. relative abundance of protons in the element b. mass and relative abundance of each isotope of that element c. mass and relative abundance of each neutron of that element d.

What part of an atom do we change for isotopes

The Safe Drinking Water Act (SDWA) sets a limit for mercury-a toxin to the central nervous system-at 0.002 mg/L. Water suppliers must periodically test their water to ensure that mercury levels do not exceed 0.002 mg/L.