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Chemistry
Chemistry
High School
is the green salt more or less soluble in hot than in cold water? how did you utilize this information during the experiment
Chemistry
High School
what occurs when aqueous silver nitrate, a g n o 3 , reacts with aqueous potassium sulfate, k 2 s o 4 ?
Chemistry
High School
A mixture of 90. 0grams of ch4 and 10. Ograms of argon has a pressure of 250 torr under the condition of constant temperature and pressure the partial pressure of ch4 is
Chemistry
High School
which electronegativities do you subtract to find out if a bond is polar or not in a 3 element compoudn
Chemistry
High School
Problem 11.9 Starting with acetyl chloride; what neutral nucleophile would you use to make each of the following compounds? Part CH; Draw the molecule on the canvas by_ toolbars_
Chemistry
High School
is the term used to describe the loss of a hydrogen and a halogen from an alkyl halide. the product of the reaction is a(n) .multiple choice question.addition; alkyl halidedehydrohalogenation; alkaneaddition; alkenedehydrohalogenation; alkene
Chemistry
High School
if necessary to take off from a slushy runway, the freezing of landing gear mechanisms can be minimized by:
Chemistry
High School
what chemistry grew out of an ancient study ?
Chemistry
College
determine the mass-to-mass ratio concentration of 5 g salt in 100 g water. Show the steps of calculation.
Chemistry
College
what is the answers to this someone pls help
Chemistry
High School
what is the purpose of hcl in the first step? group of answer choices to activate aniliine to deactivate aniline to disrupt the aromaticity of aniline to remove hydrogen from aniline to make aniline more nucleophilic
Chemistry
College
Give the mechanism for the reaction:
Chemistry
High School
The two main factors that determine the climate of a region are
Chemistry
College
The volume of a gas is 200 mL at 350.0 kPa pressure. What will the volume be when the pressure is reduced to 125.0 kPa, assuming the temperature remains constant.
Chemistry
High School
if the temperature of a gas in a container is doubled, the pressure is . select one: a. reduced by four times b. halved c. increased by four times d. doubled
Chemistry
High School
if you wanted to go into the lab and emulate the buffer solution that exists in your blood which combination of compounds would you mix together to create your buffer? explain your choice.
Chemistry
High School
g which of the following substances is an integral portion of embalming fluid? a. methanal b. methadone c. ethanal d. ethanol
Chemistry
High School
how does the average kinetic energy (avg ke) of an ideal gas vary as the molar mass of the gas increases?
Chemistry
High School
if 37.2 kj of energy is evolved when 100. g of glucose is fermented, what is the molar enthalpy of fermentation?
Chemistry
High School
explain why, in a simple model, a bivalent material could be considered to be an insulator. also explain why this simple argument is not true.
Chemistry
High School
FILL IN THE BLANK. the __ protects the molten weld pool, the filler rod, and the tungsten electrode as they cool to a temperature at which they will not oxidize rapidly.
Chemistry
High School
calculate the number of water, x, of crystalization in an unknown sample, having a molar mass of 129.839 g/mol when unhydrated. (you need to find the ratio of moles of water to moles of dry sample)
Chemistry
High School
What must happen for a binary ionic bond to form between the atoms of two elements? A. Both elements must gain one or more electrons. B. Both elements must lose one or more electrons. C. One element must lose one or more electrons, while the other must gain one or more electrons. D. One element must lose one or more protons, while the other must gain one or more protons
Chemistry
College
Which of the following are the products and reactants of a chemical reaction most likely to have in common? 1. Atoms2. Molecules3. Chemical properties
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