There are many, many stars in our Universe. In which of the following do all stars appear to be quite similar?

A. Temperature

B. Chemical Composition

C. Distance from Our Solar System

D. Age

For the skeletal chemical equation Fe2P (s) + S (s) → P4S10 (s) + FeS (s) what is the coefficient of P4S10 in the balanced equation? (Balance the equation with the smallest possible whole number coefficients.) 1. 6 2. 18 3. 9 4. 2 5. 5 6. 10 7. 3 8.

How much does 1.5 x 10" atoms of neon weigh?

The space shuttle Endeavor is launched to an altitude of 400,000 m above the surface of the Earth. The shuttle travels at an average rate of 750 m/s. How long will it take for Endeavor to reach its orbit? Question 4 options: 0.53 s 533.

1) How many grams of CO are needed to react with an excess of Fe2O3 to produce 225.5 gFe? Numbers after symbols are subscripts unless there is a ^ to show it is an exponent ... Fe2O3 (s) + 3CO (g) - - > 3 CO2 (g) + 2 Fe (s) ...

What is the charge of an ion that contains 10 electrons, 13 protons, and 15 neutrons

In the reaction, Zn + HCl-> ZnCl2 + H2, 25 grams Zn are reacted with 17.5 grams HCl. How many grams of H2 will be produced? A. 0.382 g of H2 B. 0.479 g of H2 C. 0.7865 g of H2 D. 0.484 g of H2

Is nail varnish soluble?

What is the periodic trend for atomic size from top and bottom in a group? From left to right in a period?

Which planets' orbits is the belt located between the main asteroid belt?

For the baeyer-villiger oxidation of cyclohexyl methyl ketone