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Net ionic equations to describe the formation of precipitate when soda ash (Na2CO3) is added to hard water
An equimolar liquid mixture of benzene and toluene at 10C is fed continuously to a vessel in which mixture is heated to 50C.
My paper says that will be only one isomer out of hexabromobiphenyl, C12H4Br6 And it states also that one phenyl group is still the active substituent when it is bromized. I wonder why it is only one isomer and I will be so thankful if you can dra..
a student dissolves a 6.58g sample of solid sodium hydroxide in 127.3g of water. Assuming that there is no heat exchanged with the surroundings, how much energy is given off? Show your calculations. The heat of solution for solid sodium hydroxide i..
whats the lewis dot structure for h2cch2? based on the structure predict the h-to-c-to-h bond angle. explain the reason
You will then make a Kool-Aid solution by dissolving the powder in an entire packet of lemon-lime Kool-Aid in 250.00 mL solution. You find the powder in a packet of lemon-lime Kool-Aid has a mass of 3.629 g.
Draw a doagram to show the changes in potential energy that occur from the rotation around the C1-C2 bond of 1-bromopropane
Use the Nernst equation to calculate the expected potential in the battery in parts 2(d) and 2(e) when the following concentrations are present: [Cr2O72?] = 3.7 x 10?3 M ; [Cr3+] = 0.0112 M
Given that the density of chloroform is 1.48 g/mL, and the molar mass is 119.38 g/mol, how many moles of chloroform did the student measure?
At a particular temperature the equilibrium constant for the reaction: H2(g) + F2(g) ? 2HF(g) is K = 36.0. A reaction mixture in a 10.00-L flask contains 0.42 moles each of hydrogen and fluorine gases plus 0.15 moles of HF.
A 1.3 mL volume of seawater contains about 4.0 X 10^-10 g of gold. The total volume of ocean water is about 1.5 X 10^21 L. Calculate the total worth of all of the gold in the world's oceans if the price of gold is $18.00 per gram.
According to the laws of probability, the chance of two independent events occurring simultaneously is which of the following: (a) the sum of the individual probabilities, or (b) the product of the individual probabilities
the rate constant for a particular second-order reaction 0.47 m-1s-1 the initial concentration of reactant 0.25 moll
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