An anhydrous form of a compound is 38.95% of the mass of its heptahydrate form. Calculate it's molar mass.

Consider the balanced chemical reaction below. When the reaction was carried out, the calculated theoretical yield for carbon dioxide was 93.7 grams, but the measured yield was 88.3 grams. What is the percent yield?

What is the basic difference between primary and secondary succession? a. the presence of water b. the presence of air c. the presence of soil d. the presence of trees

FeCO3 → FeO + CO2 is what kind of reaction? Double replacement Decomposition Synthesis Single replacement

Give the number of significant figures: 369,132,000 sec

What are the possible values of n and ml for an electron in a 5d orbital?

Solid lead IV oxide decomposes into solid lead and oxygen gas.

Ab2 has a molar solubility of 3.72*10-4 m. what is the value of the solubility product constant for ab2? express your answer numerically.

Thermal decomposition of sodium azide (NaN₃) into nitrogen gas and sodium metal is used to inflate car airbags. The reaction proceeds by the following chemical reaction. 2NaN₃ (s) ⟶3N₂ (g) + 2Na (s) How many grams of NaN₃ are need to inflate a 10.

Is salt water acidic, basic or neutral

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