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how does the first ionizaiton energy of the alkali metal in a given period compare with the first ionization energy of the halogen in the same period. what is the result in terms of how these elemen
An aqueous potassium nitrate solution has a freezing point of -2.0 °C. How many moles of potassium nitrate are contained in 0.5 kg of water in this solution? The freezing point depression consta
Based on the stoichiometry, at what point does the limiting reactant change? show calculations to support your answer. The volume of acid HCL (10mL) is constant and mass of metal Mg (0.250g) is consta
Draw skeletal structure of major product for 1-iodo-4-methyl cyclohexane when reacted with NaSCh2Ch3
What is the quantity of Fe2O3 that will be produced if 5.00g of FeS2 is reacted with 11.0g of oxygen according to the following reaction
In the Bohr model of the atom, are the electron in shells closer to the nucleus higher of lower in energy than electrons in shells father for the nucleus
circle the correct choices to indicate how many electrons each element must gain or lose to form an octet
Write the ground state electron configuration , both full notation and noble gas abbreviation and indicate the number of valence electrons for Al, I, Rb, Ar, Mg
Who does the first ionizaiton energy of the alkali metal in a given period compare with the first ionization energy of the halogen in the same period. What is the result in terms of how these elemen
Why will the extraction of benzoic acid by NaHCO3 generate a greater pressure of gas in the separatory funnel than the extraction of t-butylphenol by NaOH
What volume of concentrated HCl is necessary to completely neutralize the 10 mL of 1.5 M NaOH used
Do you think those SNPs are going to prove to be really significant, or just the result of filling-in some blank-spots in the DNA
Regarding the Human Genome Project (HGP) ~ Do you expect this sort of work to yield additional medical therapies as time goes on
Calculate the % atom economy for the following two methods for converting benzene, C6H6, to aniline, C6H5NH2.
What effect would the incomplete drying of a sample (for example, the incomplete removal of a recrystallization solvent) have on the melting point
What would happen to the melting point if this unknown were mixed with (a) an equal quantity of pure acetanilide. (b) an equal quantity of benzoic acid
predict the organic product of the following reaction CH2=C(CH3)2+ H-0-H with H2SO4?
To what final volume should you dilute 60.0mL of a 5.40M KI solution so that 40.0mL of the diluted solution contains 3.75g of KI
How much of a 15.0M HNO3 solution should you use to make 850.0mL of a 0.300M HNO3 solution
Fe(NO3)3, 5 drops of 0.1 M KCNS why are ions present when you mix those solutions? I also conducted the experiment using an unknown and got the same results for both.
Liquid nitrogen has a density of 0.808g/ml at 77 K. A sample of 2.5 L of liquid nitrogen is allowed to evaporate at 21°C and 1.00 atm of pressure. what volume will the nitrogen gas occupy?(keep
A11.6 g sample of a certain gas was introduced into a constant volume container at 25 °C. if the container were heated to 175 °C, how many grams of gas must be vented from the container to k
Blood alcohol content (BAC) is often reported in weight-volume percent (w/v%). For example, a BAC of 0.08% corresponds to 0.08 g CH3CH2OH per 100 mL of blood.
Solid benzoic acid, C6H5COOH(s), is often used to determine the heat capacity of a bomb calorimeter, because the constant volume heat of combustion of this compound is known with high precision: qV