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Write balanced chemical equations for each of the following reactions omitting (where relevant) all spectator species(please explain for me how u get the answer, im new in chemistry and its very hard for me)
a) Lead(II) nitrate solution is mixed with sodium iodide solution producing a bright yellow precipitate
b) Potassium carbonate solution reacts with hydrochloric acid solution producing a colourless gas
c) Acetone (C3H6O) burns with oxygen producing carbon dioxide and water only
d) Solid calcium nitrite is decomposed by heating, producing calcium oxide, nitrogen monoxide and nitrogen dioxide
2816 g sample of KHP required 29.68 ml of sodium hydroxide to reach the phenolphthalein point. calculate the molarity of the NaOh solution.
find the molecular weight of as4o10 ?a.316 gmolb.460 gmolc.90.1 gmold.235
The reaction SiH4 --> Si + 2H2 has a k= 0.048M/min at 500 degrees Celsius and k= 49.0M/sec at 700 degrees celsius.
In the Macy's Thanksgiving Day parade, 2000, there was a new float, the Cheerios' bee, and Buzz bee. The jar of honey it was holding contained 36,763 L of helium.
If a sample of barium contains 2.3 x 1023 atoms of barium, how many grams of barium are in the sample?
Explain the hybridization of carbon in C2H2 using electron configuration diagrams of the original atoms, excited staes
determine the heat released when (ethene) CH2 CH2 reacts with hydrogen gas and form CH3CH3.If Bond enthalpies given are H H : 436 kJ/mol,C Br : 276 kJ/mol,C C : 612 kJ/mol,C C : 348 kJ/mol,C H : 412 kJ/mol;
A fixed quantity of gas at 23 celcius exhibits a pressure of 735 torr and a volume of 5.22 L. use boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.88 atm while the temperature is constant
Addition of water to an alkyne gives a keto-enol tautomer product. Draw the ketone that is in equilibrium with the given enol.
How many grams of manganese may be formed by the passage of 32,349 C through an electrolytic cell that contains an aqueous
What would happened if HCl was accidentally used instead of Na2CO3 to extract caffeine from tea bags. Would you be able to fix your mistake. How
Consider a titration of 24.2 mL of 0.0878M solution of aqueous ammonia [Kb(NH3) = 1.8e-5] with a 0.115M of hydrochloric acid.
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