The density of aluminium is 2.7 g/cm3. Find the mass in grams of a bar of aluminum measuring 2.7 cm by 1.2 cm by 14.3 cm.

Which of the following shows a valid combustion reaction? 2Al + 2O2 → 2AlO + O2 C2H4 + 2O2 → 2CO2 + 2H2O 2CH4 + O2 → 2CO + 4H2 Ca + O2 → CaOH

What is the concentration of each of these solutions expressed as a percent sucrose by mass? a) 17g sucrose dissolved in 183g water b) 30.0g sucrose dissolved in 300.0g water

Which is not a physical property of water? weak adhesion with glass strong cohesion strong surface tension ability to move up through thin tubes?

Molar mass of magnesium phosphide in g/mol

Find the Nazca plate and the South American plate. How are they different? Are they moving toward or away from each other?

A solution is another name for

Which of the following solute and solvent combinations would be most likely to form solutions? Mark all that apply.

0.402 L = 402 mL 0.0202 L = 20.2 mL 3.6 L = 360 mL 11.1 L = 11,100 mL

Which is one possible way the digestive system works together with other body system

Can anyone tell me how to balance chemical equations