A 3.000g sample of naphthalene undergoes complete combustion to produce 10.30g CO2 and 3.37g of H2O MW=128. What is the empirical formula of naphthalene and what is the molecular formula of this naphthalene?

A molecule of alkene has the chemical formula C3H4. How many carbon-carbon double bonds are present in the molecule? Choices:123

Why don't rockets need air to stay up, like planes do?

The equilibrium fraction of lattice sites that are vacant in silver (ag) at 500°c is 0.5 x 10-6. calculate the number of vacancies (per meter cubed

In the following reaction, how many grams of nitroglycerin C3H5 (NO3) 3 will decompose to give 120 grams of water? 4C3H5 (NO3) 3 (l) 12CO2 (g) + 6N2 (g) + 10H2O (g) + O2 (g) The molar mass of nitroglycerin is 227.0995 grams and that of water is 18.

Which of these is a property of bases? They produce hydrogen gas when reacted with metals. They turn litmus paper blue. They feel sticky. They taste sour.

Astrology is pseudoscience. What can you conclude about the claims made by astrology

What is 0.50g of Al in moles?

How is firelight produced

The Uber fare in Seattle is $3.00 per mile. Evan took an Uber from Pike Place Market to the International District and tipped the driver $4. The total cost of his ride (including tip) was $10. How far did Evan travel in the Uber? 10-6 2 miles

The laws surrounding the motion of planets in our solar system can be replaced by new laws describe what happens in nature under certain conditions prove that theories on space are non-testable can be used to prove that theories on gravity are