How many days does the earth take to complete one orbit around the sun?

(A) 465

(B) 265

(C) 365

What is the most basic unit of matter

Minerals with the silicon-oxygen structure shown in Figure 2-1 are classified into what group? A. Sulfates B. oxides C. carbonates D. silicates

Non essential uses of water

Use this tax table to find to find how much tax you need to pay on a taxable income of $25,000

Why do weak acid-weak base reactions not go to completion? There are not enough molecules in solution to react with each other. The conjugate products are much weaker than the original acid and base.

How much MnO2 (s) should be added to excess HCl (aq) to obtain 295 mL of Cl2 (g) at 25 °C and 735 Torr?

Why do people describe water as a universal solvent

What is litmus paper used for? To indicate if all the reactants have been used up to determine if a chemical reaction has occurred to determine pH to detect the presence of water

You open your lemonade stand with 100 lemons, 5 bags of sugar containing 6 cups each, and 10 gallons of water (16 cups per gallon). Which statement is NOT true about the production of lemonade in your stand?

For the complete combustion of 5.6dm3 of a gaseuos hydrocarbon CxHy. 28.0dm3 of oxygen gas were used, 16.8dm3 of CO2 gas and 18.0gof liquid water were produced all gases measurement were made at stp. Determine the chemical formula of the hydrocarbon