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1. How many moles of each element are present in 1.4 moles of C3H3N? Explain how you got your answer.
2. Explain what type of reaction this is: Zn --> Zn 2+ + 2e- Although not indicated here, what phase do you expect this to occur in usually? Explain what is happening in the reaction.
3. Explain what a chemical change is. What are some signs that a chemical reaction has occurred?
4. Explain what incomplete combustion is and what the significance is to the health of someone who is exposed to incomplete combustion.
5. Balance the following equation: Ca + N2 --> Ca3N2 , then answer this question:
What is the theoretical yield in grams if 120. g of Ca reacts with 21.0 g of N 2?
1. Write the equation for saponification of of glyceryl tripalmitate 2. Write equation for hydrogenation of glyceryl trioleate.
State whether the following compounds are Miscible or immiscible. If possible please give a short explanation of each.
The heats of reaction for the following combustion reactions were determined experimentally
Eugenol can also be isolated from cloves using extraction with CO2. discuss the advantages and disadvantages of distillation versus CO2 extraction.
Determine the entropy change of the refrigerant during process - Calculate the applied pressure difference P1 - P2.
How much of the ice melted? The specific heat of aluminum is 0.22 kcal/kg °C and the heat of fusion of ice is 79.7 kcal/kg.
1. Determine the number of electrons, protons and neutrons in each isotope of titanium based on the table below. Determine its atomic mass.
Would sequencing the DNA of a cancerous tumor allow a doctor to know whether there were changes in gene expression in a tumor? Please cite
sodium hydroxide do you need to add to the volumetric flask before you dilute the solution to volume with distilled water?
assume that you have two unlabled bottles, one with cyclohexane and one with cyclohexene. How could you tell them apart by carrying out chemical reactions
a reaction has a standardfree-energy change of -13.00 kj mol -1 -3.107 kcal mol -1 calculate the equilibrium constant
Suppose some of the solid Calcium Hydroxide is inadvertently transferred along with a supernatant liquid for analysis. Will more, less, or the same amount of HCL titrant be used for analysis
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