From what class (es) of elements is the following compound made? copper || chloride

metal and metalloid

metal and nonmetal

metalloid and nonmetal

two metals

An example of an adaptation that gives an organism greater access to energy

Describe in shorthand notation a galvanic cell for which the cell reaction is Cu (s) + 2Fe3 + (aq) → Cu2 + (aq) + 2Fe2 + (aq

Water can be formed in the following reaction: 2H2 + O2 - > 2H2O. If you have 12 moles of Hydrogen gas (H2), how many moles of Oxygen gas (O2) will you need to make as much water as possible? (Enter just the number; not the number and units)

Writing descriptive essay:the best villain Pre-writing

Calculate the standard enthalpy change for the following reaction at 25 degrees Celsius. MgCl2 + H2O--> MgO + 2HCl

Which ionic compound is water soluble? A. cuS B. NH4NO3 C. SrSO4 D. ZnF

What is part of an experiment that is not being tested and is used for comparison

Is hydrogen sulfide a heterogeneous mixture solution compound or element?

Explain why people who like to stay cool on a hot summer day prefer to wear white clothing?

Which of these is a chemical property? A. Mercury is a dense liquid. B. Iodine vapor has a purple color. C. Aluminum is a very conductive metal. D. Ice melts at 0°C. E. Iron rusts in wet weather.