Other Chemistry Answers

HOW MANY GRAMS SiO2 IS REQUIRED TO PRODUCE 73.8G OF SiC ?

The density of concentrated ammonia, which is 28.0% w/w NH₃, is 0.899 g/mL. What volume of this reagent should be diluted to 1.0 × 10³ mL to make a solution that is 0.036 M in NH₃? 

A container holds 5grams of ccl4 vapour, calculate the volume of ccl4 present

1. What is the difference between tap water and distilled water?

2. Which is effective in removing oily stains in tap water and distilled water? Is it soap or detergent?

3. How does the hardness of water affect the cleaning performance of soap and detergent?

4.How do builders help in the cleaning process?

how would you relate alchemy to synthesis of new elements?

Solution X containing 0.020 mol of iron(II) sulfate requires 22.5 mL of potassium manganate(VII) for a complete reaction. The equation for the reaction is: 5Fe²⁺ + MnO^4- + 8H⁺ → Mn²⁺ + 4H₂O + 5Fe³⁺. What is the molarity of the KMnO₄ solution? (5 Points)

How much table salt should be added to 300 g water to lower its freezing point to -2.00°C?