State a mixture of table salt and ice is used to chill

Assignment Help Chemistry
Reference no: EM13170830

A mixture of table salt and ice is used to chill the contents of hand-operated ice-cream makers. What is the melting point of mixture of 2.00 lb of NaCl and 12.00 lbs of ice if exactly half of the ice melts? Assume that all the NaCl dissolves in the melted ice and that the van' Hoff factor for the resulting solution is 1.44.

Reference no: EM13170830

Questions Cloud

State benzene is a trace component of gasloine : Benzene is a trace component of gasloine. What is the mole ratio of benzene to n-octant in the vapor above a solution of 40.0% benzene and 60.0% n-octane by the mass
Non-personnel enter public buildings : Before non-personnel enter public buildings in the State of Setonia, security officers routinely require them to walk through a metal detector. In addition, all bags, including women's purses, are subject to an external scan designed to detect the pr..
State what is the molar mass of the protein : aqueous solution has an osmotic pressure of 6.35 torr at 23.1 C. What is the molar mass of the protein.
Create a pie chart for total assets : Create the Balance Sheet,Income Statement and Statement of Retained Earnings for the following company in an Excelworkbook, employing three sheets.
State a mixture of table salt and ice is used to chill : A mixture of table salt and ice is used to chill the contents of hand-operated ice-cream makers. What is the melting point of mixture of 2.00 lb of NaCl and 12.00 lbs of ice if exactly half of the ice melts?
Identify the gas : To identify a diatomic gas x2 a research carried out the following experiment: She weighed an empty 1 L bulb, then filled it with the gas at 1.10 atm and 23.0 C and weighed it again. The difference in mass was 1.27 g. Identify the gas.
What is the number of moles of air : At 0.0C, if the volume of air is 1.8 mL and the pressure of the atmosphere that day is 665 mmHg, what is the number of moles of air?
State what indicator wouldyou use for titration : plot the titration point. make sure there is enough data. F. what indicator wouldyou use for this titration. what color change would you observe.
Message generally commences : An “I” message generally commences with- a concrete example of how the other’s action affects you.  a description of the other person’s objectionable behavior.  a description of your emotional reaction.

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the initial ph

Calculate the initial pH, pH after addition of 20 mL HCl, pH after addition of 50 mL HCl, pH at the equivalence point, and pH after addition of 120 mL HCl.

  What is the new boiling point point of water

What is the new boiling point point of water if you add 188 grams of magnesium chloride to 1250 g of water.

  Identify and draw the structures of two simpler compounds

What simple compund reacts with carboxylic acid to make lidocaine? Identify and draw the structures of two simpler compounds one from which should be a carboxylic acid, from which you could make lidocaine.

  Calculate the ph of a solution

Calculate the pH of a solution prepared by dissolving 0.30 g of BaO in enough water to make 0.800 L of solution.

  Compute the concentration of m-xylene in the air

If the groundwater at the top of the saturated zone is in equilibrium with air, calculate the concentration of m-Xylene in the air in mol/L

  State oleum or fuming sulfuric acid availble commerically

Oleum or fuming sulfuric acid availble commerically in concentrations ranging from 20 to 99% sulfur trioxide. 1. What is the percentage by mass of sulfer trioxide (SO3)

  Estimate the steady state concentration of so2

A Power plant is the main point source of SO2 emissions for a 25 km2 area. Estimate the steady-state concentration of SO2 for this area from this point source given the following temperature data. Windspeed= 5km/hr.

  State change the temperature of water

If 0.215 mole of calcium chloride is dissolved in 491.9 ml of water, how much will it change the temperature of water (FWt=18.02)? The delta H=-81.3 kJ/mole for CaCl2

  Explain the physical properties of molecule

It is important to know if a particular molecule is composed of elements with different electronegativities as well as the structure of the particular molecule to explain the physical properties of the molecule.

  Explain gases had initial concentrations

At a particular temperature, K 3.75 for the reaction SO2(g) + NO2(g) SO3(g) + NO(g) If all four gases had initial concentrations of 0.800 M

  Calculate the ph in the flask

An appropriate indicator is used. Ka for acetic acid is 1.7x10^-5. Calculate the pH in the flask after 300 mL of 0.100 M NaOH has been added

  What is the molar mass of the gas

An experiment shows that a 112-mL gas sample has a mass of 0.120 g at a pressure of 733 mmHg and a temperature of 33.0°C.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd