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Bonding and Compound Questions
1.) Do all ionic compounds dissolve in water, Do all covalent compounds dissolve in water? answer should be 50 to 100 words.
2.) Do the physical properties of water change when a compound is dissolved in water? If so, which properties change and why?
3.) Do all chemical compounds undergo each type of chemical reaction,i.e. synthesis, decomposition, metathesis-precipitation, metathesis-neutralization, redox-single displacement, redox-combustion and can this information be useful to a criminal investigation?
Tenzic acid is a H2Tenz is a diprotic acid with ionization constants Ka1 = 4.1 x 10-4, Ka2 = 1.5 x 10-9. Calculate a value for the [Tenz2-] in a 0.500 molar solution of H2Tenz.
Write a balanced equation for the conversion of C6H5CHOHCH3 to the methyl ketone in the presence of I2 and NAOH
How many grams of hydrogen are collected in a reaction where 1.92 L of hydrogen gas is collected over water at a temperature of 40C and a total pressure of 738 torr.
The work function for Cu metal is 4.80 eV. If a piece of Cu is bombarded by violet light (λ = 4,000 Å), will electrons be ejected? "YES" or "NO" with supporting argument/calculation.
What is the pH when 100 mL of 0.1 M NH3 is titrated with 50 mL of 0.2 M HCl? pKa of NH4Br is 9.25.
An experiment shows that a 112-mL gas sample has a mass of 0.120 g at a pressure of 733 mmHg and a temperature of 33.0°C.
if 2.3g of sodium reacted with 1.3g of water,what would be the total mass of sodium hydroxide and hydrogen produce?
Determine how many moles of carbon dioxide should be combined to the system to bring the equilibrium carbon monoxide concentration to 0.715 mol/L?
125 mL of H_2O is initially at room temperature (22.0C). A chilled steel rod at 2.0C is placed in the water. If the final temperature of the system is 21.5C, what is the mass of the steel bar?
Which of the following isotopes is more likely to decay via positron emission rather than electron emission.
A sample of propane,C3H8, contains 13.4 moles of carbon atoms. How many total moles of atoms does the sample contain?
Consider a piece of gold jewelry that weighs 9.78 g and has a volume of 0.680 cm3. The jewelry contains only gold and silver, which have densities of 19.3 g/cm3 and 10.5 g/cm3, respectively.
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