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The calcium chloride produced in the solvay process can be used in the production of road salt.however it is sometimes discharged as waste into the sea by coastal industrial plants .describe a simple test and its results that can be carried out on a sample of seawater to monitor if calcium chloride has been discharged into the sea.
Which of the following is the cheapest source of electricity?
a. Natural gas power plant
b. Geothermal power plant
c. Hydrothermal power plant
d. Coal power plant
calculate the molarity of a solution with a final volume of 500ml prepared by dissolving 25.0ml of methonal (CH3OH density =0.791ml) in choloroform
An organic compound 0.246g by mass was burnt in oxygen and produced 0.198g carbon dioxide and 0.1014g water what is the empirical formula of this compound
What is the molality of 40g KBr dissolved 800 mL water
A sample of He gas contains 2.5 moles of He. What volume does this sample occupy at STP?
A sample of O2 was collected over water at 23˚C and 760 torr. What is the partial pressure O2 at the given temperature and pressure? The vapor pressure of water at 23˚C is 21.2 torr.
How many grams of N2 will be contained in a 3.0 L flask at STP?
Consider the chemical reaction 2NH3(g) ⇌ N2(g) + 3H2(g). The equilibrium is to be established in a 1.0 L container at 1,000 K, where Kc = 4.0 × 10–2. Initially, 1,220 moles of NH3(g) are present. Estimate the equilibrium concentration of N2(g).
What is the (a) H+ ion concentration, (b) pH, (c) OH- ion concentration and (d) pOH of a 0.001 M solution of NaOH?
