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Predict the product(s) and write a balanced equation for the following redox reaction: 1. Phosphorous trichloride + chorine >_____ 2. zinc + hydrobromic acid >_______ 3. (balanced equation for): bromine is added to aqueous potassium iodide. No states of matter needed.
What is the change in internal energy (in J) of a system that absorbs 0.532 kJ of heat from its surroundings and has 0.225 kcal of work done on it? = j
Using the weak acid that you were assigned in this experiment and .100M NaOh, describe exactly (show calculations) how you would prepare 100.0mL of a buffer at pH = 5.50
A gas evolved during the fermentation of sugar was collected at 22.5 degrees celsuis and 702 mmHg. After purification its volume was found to be 25.0 L. How many moles of gas were collected?
what are the hydrolysis by-products? What limits the reaction? What determines whether the hydrolysis reaction proceeds from cellulose to sugar (e.g. glucose) or continues on to convert the sugars to alcohol?
Please note that NO3 has an odd number of electrons. But you must decide where the missing electron will be. Does the central atom violate the octet rule or do the oxygen atoms? Use formal charges to decide.
Classify the substances CaCl2, CuSO4, NH3, C2H5OH according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution from the following choices
A sample of nitrogen gas occupies a volume of 3.87 liters at 52.8 oC and 2.11 atm. What will the new temperature (in °C) when the volume increases to 4.55 liters and the pressure remains constant?
in a sodium borohydride reduction experiment is the reaction exothermic or endothermic and why?
Chemical analysis of the two compounds reveals that 0.25 mol ACl 2 has a mass of 100.0 g and 0.50 mol BCl 2 has a mass of 125.0 g. Determine what are the molar masses of ACl 2 and BCl 2 ?
What is the final temperature of 0.222 mole of an ideal gas that performs 125 kJ of work adiabatically if the initial temperature is 235°C
How many moles of CF4 can be produced when 5.00 mol C react with 12.00 mol F2.
Several artificial nitrogenous bases, called base analogues, can be taken up by cells, converted to nucleotides, and incorporated into nucleic acids. They are often potent mutagens, and some are used in cancer chemotherapy.
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