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Platinum-191 undergoes electron capture. Write out this nuclear reaction showing the resulting product(s).  You may submit your response in the box below using the text editing tools or upload a photo of a written response at the end of the test. Please mark the problem clearly.

The reaction shown below is an example of ________.

Calculate the mass of 5-FU required to make 300 mL of an injectable solution of 5-FU at a concentration of 0.05 M. Work out the problem on a separate piece of paper and upload a photo of your response at the end of the test. Please mark the problem clearly and show your work. Enter the mass in the box below.   ___________ g of 5-FU

A 2.5-gram sample of French fries is placed in a calorimeter with 500.0 g of water at an initial temperature of 21°C. After combustion of the French fries, the water has a temperature of 48°C. What is the caloric value (kcal/g) of the French fries? Specific heat of water is 1.00 cal/oC.

A catalyst is ________.

Which statement is false about the following reaction? Pb + I2  → PbI2

What is the mass of 0.057 moles of magnesium chlorate, Mg(ClO3)2?

What are the differences between a cation and an anion?

Give the following details about: HBr Total number of electrons: [electrons] Name: [name] Number of sigma bonds: [sigma] Number of pi bonds: [pi]

NH3 Molecular Shape: [shape] Hybridization of the central atom [hybridization] write in normal characters sp, sp2, sp3 Name: [name] Number of sigma bonds: [sigma] Number of pi bonds: [pi]