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You are given the masses, in grams (g), and the volumes, in cubic centimeters (cm3), for a series of substances. Arrange them in order of increasing density(Lowest to Highest)
1- Gold 19.3g/1cm3
2- Chloroform 14.8g/10cm3
3- Copper 44.5g/5cm3
4- NaCl 43g/20cm3
5- Ice 92g/100cm3
6-Butane 2895g/5000cm3
Determine the molar concentration of the original acid solution and find pH and a % ionization of the acid in the original solution.
We have learned that valence bond theory helps us to predict s and p bonding in molecules. All of the following statements about molecular bonding are true, but which statement best summarizes the most basic premise for bonding in a molecule?
H2(g) + F2(g) 2HF(g) H = -542 kJ How many grams of H2(g) would have to react to produce 197 kJ of energy?
A gaseous sample of this element is bombarded by photons of various energies (in these same units). Match each photon to the result of its absorption
Briefly explain why you can make the assumption that all of the SCN- ion in solutions S2-S6 has been converted to FeNCS^2+ ion.
A professional emergency responder should be concerned about the following routes of radiation exposure for a person on scene and a person downtown?
What is the pH of a 0.15 M solution of aqueous Acetic Acid. The Ka of acetic acid is equal to 1.7 x 10^-5
A student added more KSCN solution that instructed when making standard solution. assuming no other errors were made in the experiment
Which compound is more reactive toward electrophilic substitution e.g nitration? Explain you reasoning.
Oxygen is a common oxidizing agent in nature. What changes in the oxidation number of oxygen must occur if it is to be an oxidizing agent
5.00 mL of water sample was titrated for hardness with 4.15mL of 0.0200M EDTA. write the equastion for the reaction and calcualte the hardness of the water in ppm
What is the value of Ksp for Ag2SO4 if 5.54 g is soluble in 1.00 L of water?
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