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Explain what some of the characteristics of the bulbs are as well as potted plants that we want to observe? Explain what might be your initial hypothesis in how we plant these? Explain how would you set up an experiment to test your hypothesis?
A student failed to carry out all of the procedural steps when doing this experiment. Would the following procedural variations result in an experimentally determined molarity of NaOH that is too high or low? Briefly Explain. The student did not c..
explain why addin eletcrons to a bonding orbital leads to bonding of an atom, in terms of electron distribution
What is the maximum number of moles of NH4V3O8 that can be prepared starting from 2.5 moles each of N2 and H2. Assume all other reactants are not limiting reagents.
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n=3 to n=1
A solution of 62.4 g of insulin in sufficient water to make 1.000 L of solution has an osmotic pressure of 0.305atm at 25°C. Based on these data, compute the molar mass of insulin in g/mol.
If a student weighed out a 500. mg tablet of vitamin C, measured to the nearest 0.001g and recovered 0.254g of ascorbic acid. What is the percent mass of vitamin C in the tablet?
The pressure in the stages is such that 8% by mass of the water entering the stage evaporates and leaves as fresh water. If the desalination plant wants to produce 1400.0 gallons of drinking water per day, how many gallons of brine must the plant ..
The concentration of the primary waste in the pond is 35 mg/L. All of a sudden, the process changes and the concentration of the waste in the stream coming into the pond jumps to 250 mg/L. The pond is 500,000 L and the flow rate of the waste comin..
Calculate the mass (in grams) of sodium azide required to generate enough nitrogen gas to fill a 57.0-L air bag at 1.37 atm and 25.0 degree C
How much ammonia would be spent to remove the NOx generated, expressed in kg of of NH3 per 100 kg of fuel?
solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. Write a balanced chemical equation for this reaction.
when reducing a ketone to an alcohol in a lab why do we have toadd sodium borohydride little by little under ice water?
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