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1. What ions have a larger radius than their parent atom?
2. What is the effect on atomic properties of increasing nuclear charge?
3. What are the following trends in the Periodic Table?
a) Changes in the atomic diameter across a period and down a group.
b) Changes in the ionic diameter of cations and anions.
c) Changes in ionization energy
d) Changes in electron affinity
e) Changes in metallic behavior
f) Changes in acidity across a period
4. Which member of each pair is more metallic?
a) I or O
b) Be or Ba
c) Se or Ge
d) S or Ca
The results below are from a titration lab utilizing 25mL of .1M acetic acid which was titrated with the NaOH solution of volume and molarity shown below. Please show how to get the correct pH at equivalence to compare with indicator change
Draw the alcohol produced from the acid hydrolysis of butyl acetate
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Compute the pH of the solution before the addition of any HNO3. Kb of NH3 =1.8 × 10-5.
An electron is confined to a one-dimensional box of length L. It falls from the second energy level to the ground state, and releases a photon with a wavelength of 322 nm. What is the length of the box?
What is the equilibrium partial pressure of N2O4? (atm) (b) Calculate the value of Kp for the reaction. (c) Calculate the value of Kc for the reaction.
Hydrochloric acid HCl are permitted to react at atmospheric pressure and the volume change is -71.1 liters then determine how much PV work is done?
If 42.0 g of CO and 27.0 g of H2O are placed in a 5.0 L flask with 132 g of CO2 and 6.0 g of H2 and allowed to reach quilibrium, what will the concentration of CO be when the system finally reaches equilibrium?
what would its speed be just before striking the ground? Ignore the effects of air resistance
When two atoms of 2H (deuterium) are fused to form one atom of 4He (helium), the total energy evolved is 3.83 × 10-12 joules. What is the total change in mass
What is the average rotational energy assuming that only J=0 to 4 levels are populated in the vibrational ground state n=0?
A 4.10 g nugget of pure gold absorbed 278 J of heat. What was the final temperature of the gold if the initial temperature was 25.0°C? The specific heat of gold is 0.129 J/(g·°C).
heptapeptide upon HCL hydrolysis produced equimolar amounts of ASP, CYS, GLU, LYS, PHE, TYR, VAL and ammonia. Exposure of the intact heptapeptide to FDNB followed by hydrolysis produced DNP-VAL
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