Structural isomers have

A. the same molecular formula.

B. different physical and chemical properties.

C. the same elements in the same proportions.

D. all of the above.

Consider the reaction CH4 (g) + 2O2 (g) - > CO2 (g) + 2H2O (g) how many grams of methane should be burned in an excess of oxygen at STP to obtain 5.6 L of carbon dioxide? 2.0 g 4.0 g 16.0 g 32.0 g

What is meant by the term polar molecule

Which words have the most negative connotation a) pain b) agony c) discomfort d) distress

How does ionization energy change from left to right on a period?

What will happen when you place a mgnet next to copper?

Dominic and Eva are using the same type of stopwatches to measure the time it takes for a chemical reaction to occur. They each use the same stopwatch to measure the time.

An electronic circuit element consists of 23 mg of silicon. An electric current through the circuit adds heat at a rate of 7.4 x 10-3 J/s.

If an object sinks in water it's density is less than that of water true or false

What is the main link between water in the oceans and on land

Which of the following pairs lists a substance that can neutralize H2SO4 and the salt that would be produced from the reaction? CaOH2 and Ca (SO4) 2 LiOH and Li2SO4 NH4 and NH4SO4 NH3 and (NH3) 2SO4