What are the three steps scientists take to evaluate a scientific explanation

How many grams of iron (Fe) will be produced if you start with 3.65 liters of carbon monoxide gas (CO) at STP? Fe2O3 + 3 CO - - > 2 Fe + 3 CO2 if you could explain how you got the answer, that would be great!

If you want to find the force needed to pull a small car up a ramp, it would be best to use ... a. A spring scale b. A formula c. An electronic balance d. A triple-beam balance

What energy transformations occur when using a curling iron?

Why do you need two ammonium ions and one sulfide ion for the formula for ammonium sulfide?

Convert to moles: show work 1. 6.6g (NH4) 2SO4 2. 4.5kg Ca (OH) 2 3. 25g CaO 4. 25g Fe (NO3) 3. 6H2O 5. 25g K2CrO4

Differentiate between the significance of the coefficients in a balanced chemical equation

Why are nonnative species a threat to biodiversity? Why are nonnative species a threat to biodiversity? A. They often use up resources that other organisms need. B. They are not able to successfully breed in the wild. C.

What is the pressure inside a tank when it contains 87.3 moles of Helium if it holds 52.0 miles at 9.63 atm

Which statement describe how the bond between two oxygen bond atoms is formed?

The bonds in the compound MgSO4 can be described as A. ionic, only B. covalent, only C. both ionic and covalent D. neither ionic nor covalent