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The solubility of sucrose (common table sugar) at 70C is 320 g/100 g H2O?
a. How much sucrose can dissolve in 200 g of water at 70C?
b. Will 400 g of sucrose dissolve in a teapot that contains 200 g of water at 70C Explain.
Explain what is the limiting reactant for the following reaction given we have 3.4 moles of Ca(NO3)2 and 2.4 moles of Li3PO4. Reaction: 3Ca(NO3)2 + 2Li3PO4 ---> 6LiNO3 + Ca3(PO4)2
The bold part is my question, as I believe the first part is already correct. Please provide an explanation. Solutions of Cu2+ turn litmus red because of equilibrium for which Ka=1.0e-8. Calculate the pH of 0.10 M Cu(NO3)2.
Calculate the change in enthalpy of this reaction. Specific heat of the solution = 4.184 J/(g oC) State your answer in kJ with 3 significant figures. Don't forget to enter the unit behind the numerical answer. The molecular weight of KOH is 56.2 g..
Which of the following choices is insoluble? Imagine that and are cations and , , and are anions, and that the following reactions occur: Which of the following choices is insoluble? AX AY AZ BX BY BZ
A mixture of FeO with Fe3O4 when heated in air to a constant mass gains 5% by mass. Compute the composition of the mixture Atomis mass Fe=55.8
The molecular mass found by mass spectrometry is 210.06 amu. What is the molecular formula of the compound?
What is the concentration of the AgNO3 solution. How many grams of AgNO3 are precipitated.
What is the the structures of both products and how can you distinguished them using IR spectroscopy?
A collapsing star is estimated to have a mass of 1.0 x 1024 kg and a volume of 4.35m^3. Compute the density of the star in grams per milliliter.
[NO2] = 0.65 M, [NO] = 7.2 × 10-8 M, and [N2O] = 0.048 M. What is the value of Kp for this reaction? Enter your answer in scientific notation.
A microwave oven operating at 1.22 x 108 nm is utilized to heat 150 ml of water roughly the volume a tea cup from 20 C to 100 C. Compute the number of photons needed if 92% of microwave energy is converted to the thermal energy of water.
What is the change in internal energy of the system (ΔU) if 36 kJ of heat energy is absorbed by the system and 84 kJ of work is done by the system for a certain process?
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