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how many grams of p-nitrotoluene( molar mass= 137g/mol) must be dissolved in 15.0g of camphor to lower its freezing point by 2 degrees celsius? constant k of camphor = 37.7 (*C x kg)/mol
The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 C The specific heats of C2Cl3F3(l) and C2Cl3F3(g) are 0.91 J/g-K and 0.67 J/g-K, respectively.
An archeologist finds a huge monolith in the desert. In order to estimate the weight of this object; he estimates the dimensions of the monolith and removes some chips from the rock with his hammer.
If 3.1 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 ->CO2 + H2O, how much oxygen is required?
Suppose that 27 g of each of the following substances is initially at 29.0 C. What is the final temperature of each substance upon absorbing 2.45 kJ of heat?
Im really confused about spectroscopy and need an introduction on what it is and what these types of problems mean.
What is numerical value of the equilibrium constant for the reverse reaction?
is submerged in 7.81g of water at 52.5 degrees C in an insulated container. what is the final temperature of both substances at thermal equilibrium.
Describe an electrochemical cell tthat would have the following net equation, by answering the following questions.
Calculate the molar solubility of CaCO3 in .050 M CaCl2. The Ksp for CaCO3 is 3.8*10^-9. Assume that Co3 does not react appreciably with water. help please?
Equal initial pressures of hydrogen and nitrogen are added to a container at 298K where they react as in question 1. (question 1 is at the end) a. If the equilibrium pressure of hydrogen is 1.5 atm, determine the equilibrium pressures of nitrogen a..
What is the molecular formula of the compound with empirical; formula C5H8O and molar mass 336.5 g mol-1?
A compound made up of only phosphorus and chlorine contains 77.45% chlorine by weight. What is the electron domain geometry of the central atom of this substance?
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