Which element has 50 electrons

Which of the following describes an exothermic reaction? O A. AHI, reactants = 0 O B. AHf, reactants = AHf, products O C. A He, reactants > AHf, products O D. A He, reactants < AH, products

Why should carbonated beverages be kept cold? A) Decreased temperature keeps gases like carbon dioxide dissolved? B) Decreased surface area keeps gases like carbon dioxide dissolved. C) Increased agitation keeps gases like carbon dioxide dissolved.

calculate the molarity of a solution that contains 2 moles of NaOH dissolve in 0.5 liter of the solution

Alkenes can be converted to alcohols by hydroboration-oxidation. Draw a structure showing one of the alcohols formed in the following reaction sequence. Use wedge-and-dash bonds to indicate stereochemistry.

Animal fats are solids and have a smaller proportion of unsaturated fats. solids and have a higher proportion of unsaturated fats. liquids and have a higher proportion of unsaturated fats. liquids and have a smaller proportion of unsaturated fats.

A chemist is working on a reaction represented by this chemical equation: FeCl2 + 2KOH → Fe (OH) 2 + 2KCl. If the chemist uses 4.15 moles of iron (II) chloride and 3.

vWould radiation with a wavelength 0.91 nm or a frequency of 5.9*1011 s-1 be detected by an X-ray detector? Would radiation with a wavelength 0.91 or a frequency of 5.9*1011 be detected by an X-ray detector? Only the radiation with a wavelength 0.

Why Thioacetamide is heated?

Which compound decreases in solubility as the temperature of the solution is increased from 10c to 50c

What variable is plotted on the x-axis