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Problem- Nitric oxide, NO, is made from the oxidation of NH3, and the reaction is represented by the equation 4NH3 + 5O2 ï?® 4NO + 6H2O An 9.1-g sample of NH3 gives 12.0 g of NO. The percent yield of NO is.
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what is the spectator ion for the chemical formula cl2 nabrbr2
A 1g sample of carbon obtain from material found in a ancient site gave 7900 carbon-14 disentegrations in a 20-hour period. In the same amount of time 1g of carbon from a source found yesterday under went 18,400 disintegrations.
4 liters of an ideal gas at 200 K is heated to 400 K. What is the gas's new volume assuming the number of moles and pressure remain constant
1. a 50 ml solution of h2so4 is titrated with 0.070 mkoh. the second equivalence point is reached when 35.5 ml ofbase
Problem- Identify the neutral element represented by this excited-state electron configuration, then write the ground-state electron configuration for that element.
C3H8O3 (density=1.26 g cm-3) is added to a kilogram of water. What is the mole fraction C3H8O3 in the solution?
Normal blood contains 3 mEq/L of Mg2+. How many milligrams of Mg2+ are present in 150.0 mL of blood
How many grams of ether solute and THF solvent is required to make 2432 g of a 5 m solution? This is on my notes but for some reason I do not understand how the professor get the answer 2436 to this problem
Are the following processes exothermic or endothermic. the combustion of gasoline in a car engine water condensing on cold pipe CO2(s) CO2(g) F2 2F(g)
A solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E-5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point and 5 mL past the equivalence point.
Methanol, ethanol, and n-propanol are three common alcohols. When 1.00 g of each of these alcohols is burned in air, heat is liberated. Calculate the heats of combustion of these alcohols in kJ/mol.
What is a specific example that exists for each of these chemical reaction types above and why might it be of importance to healthcare professionals?
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