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What is balanced molecular equation, the spectator ions, and the net ionic equation for:
NaCl and Ba(NO3)2
Write balanced net ionic equation for the neutralization of equal molar amounts of KOH and HClO_4
Imagine that you have a 6.50L gas tank and a 2.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
toothpaste contains 0.24% by mass sodium flouride used to prevent dental cavities. One tube contains 119g of toothpaste. How many moles of NaF are in the tube?
when 56.0 g calcium and 34.7 g nitrogen gas undergo a reaction that has a 88.0 yield what mass of calcium nitride
Which of the following solvents would be good to use for 1H NMR analyses? (Check all that apply) acetone-d6 chloroform-d dimethyl sulfoxide deuterium oxide acetone
Problem- Calculate the mocular weight of an unknown substance of 0.2064 grams of solid was added to 25.00 ml of cyclohexane and the resulting solution exhibited a freezing point depression of 2.1 degrees C
carbon disulfide cs2 is a volatile flammable liquid. it has a vapor pressure of 400.0 mmhg at 28.0degc and 760.0 mmhg
BrO2- depicts the molecule by placing atoms on the grid and connecting them with bonds. Comprise all lone pairs of electrons. Demonstrate the formal charges of all atoms in the correct structure.
The molar mass of an oxygenated hydrocarbon substance is 88.0 g / mole.Its composition is as follows:O:36.4%,H :9.0%,C:54.6%.Calculate the empirical formula and molecular formula.(use atomic mass C=12.0,H=1.0,O=16.0)
In acidic aqueous solution, water can be reduced to H2 gas, but the H+ ions can be reduced more easity. What is the voltage of the hydrogen ion reduction half-reaction, under standard conditions
Tungsten crystallizes in a cubic unit cell with an esge length of 3.165 (Angrstroms)and with a tungsten atom on each of the corners of the unit cell and in the center of the unit cell
Compounds A and B react to give a single product, C. Write the rate law for each of the following cases and determine the units of the rate constant by using the units M for concentration and s for time.
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