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given the decomposition of hydrogen peroxide, calculate the moles of oxygen gas produced fro 4.40mol H2O2. 2H2O2(i) ---->2H2(g) + O2(g) Express your answer with the appropriate.
Why must Group IV be treated with (NH4)2CO3 in basic solution? What would happen if the solution were acidic when the sodium carbonate
calculate the vapor pressure of the pressure cooker if the temperature inside the pressure cooker is 119 degree celcuis.
A balloon filled with helium gas has a volume of 741 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km,where the pressure is 0.5 atm.
Describe how nickel is separated from iron and manganese. Include the name or formula of the soluble nickel species produced
Consider the titration of a 22.0 -mL sample of 0.110 M HC2H3O2 with 0.130 M NaOH. Determine each of the following. A. The initial pH B. the volume of added base required to reach the equivalence point in mL
What is the mass of a glucose solution that fills a 0.500 intravenous bottle if the density of the glucose solution is 1.15 ?
Does the octet rule mean that a diatomic molecule has 16 valence electrons? Select from the following:
What is the total pressure (Ptot) in the container in torr? What is the partial pressure of argon (Par) in the container in torr?
A 4 g sample of the hydrated crystal Ba(OH)2• χH2O is heated until all the water is removed. The remaining solid weighs 2.17 g. Calculate the formula of the hydrated crystal.
How many grams of NaOH are contained in 230.0 mL of a 0.800 M sodium hydroxide solution?
If all of the electron groups around a single central atom are bonding, and the same outer atom is bonded to the central atom in each case, is the molecule polar, nonpolar, or does it depend on the identity
How much heat is required to warm 229 g of ice from -47.1°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
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