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Determine how do you find out the new freezing point of a solution if given the formula is Delta T = m x kf x i but how do you find it how does it work?
Calculate and explain How many of heat are absorbed when 7.10 grams of Magnesium oxide, or magnesia MgO(s) is decomposed into magnesium Mg(s) and oxygen O2(g) at constant pressure?Express your answer in Kilo Joules
In a laboratory experiment, students synthesized a new compound and found that when 14.10 grams of the compound were dissolved in 208.0 grams of ethanol, the solution began to boil at 78.9510C
A solution is made by combining 500ml of .10M HF with 300ml of .15M NaF. What is the pH of the solution? (Ka=7.2e-4 for HF)
a 40 gram sample of water at 25 degrees celcius absorbs 500 joules of energy. what is the final temperature of the water? the specific heat of water is 4.18 joules/g degrees C.
Calculate the heat required to convert 25.0 g of C2Cl3F3 from a liquid at 5.00 degress celsius to a gas at 82.00 degrees celsius.
Is this system at equilibrium? If not, will the amount of N(g) increase or decrease as the system proceeds to equilibrium at 4000 k in a fixed volume
What mass of C4H6 in grams is consumed in the reaction below when 36.9 grams O2 (g) are also consumed?
Bromocresol green, Ka = 2.0x10^-5, is yellow in its protonated form (HX) and blue in its ionized form (X^-). At what pH will bromocresol green be a perfect green color
Which of the following IS NOT an example of a colligative property. A. vapor pressure reduction B. boiling point elevation C. freezing point reduction D. all of these are colligative properties
Fluoride (F-) is toxic element (anion) that can be lethal at 0.20 g/70kg of body weight. But because F- at low levels (1ppm) aids in healthy teeth, municipal water sources normally add this level of fluoride.
How would you write the Sn2 mechanism of sodium chlorophenolate with sodium chloroacetate?
please solve if 15.0 mL of 4.5M NaOH are diluted with water to a volume of 500.0 mL what is the molarity of the resulting solution
75.0 g of PCl5(g) is introduced into an evacuated 3.00 L vessel and allowed to reache equilibruim at 250 degrees celcius. PCl5(g) PCl3(g) + Cl2(g) Kp=1.80 for this reation, what is the total pressure inside the vessel at equilibrium
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