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How many proton for H? Electron?what is DNA made of in the human body?
Write the balanced equation for the reaction of sodium carbonate with lead (II) nitrates. And write the net ionic equation for the reaction.
Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more complicated, but this is a reasonable first approximation.)
Problem- the typical energy differences for transitions in the microwave, IR, and electronic spectroscopies are 5x10^-22 J , 0.5x10^-19 and 1x10^-18 J. 1) Calculate the ratio of the number of molecules in two adjacent energy levels at 300 K in each..
The fourth solution is 10 ml of DI water and 10 ml of solution three 5) The fifth solution is 10 ml of DI water and 10 ml of solution four I'm pretty sure we're supposed to use the C1V1=C2V2 formula
Explain the oxalates were heated in a TGA leaving a residue of 0.5713 g in the range of 320-400°C and 0.4673 g in the range of 580-620°C. Compute the % Ca and Ba in the sample.
The recommended dose of Ceclor, an antibiotic, is 20. mg/kg of body weight a day, in three equally divided doses, one give every 8 hours. How many milligrams per dose should a baby weighing 12 lb receive
Problem- A sealed container of 5.00L initially contains 9.84x10^-4 mol H2 and 1.38x10^-3 mol I2 (Iodine). It is kept at 350C until the reaction comes to equilibrium.
A lab rat weighs 265 grams and absorbs 1.67*10^13 beta particles eash with an energy of 2.2*10^13u. If relative biological effectiveness is .75 what is the dose. a)1.04*10^-2 sV b)1.3*10^-2 sV c)1.04*10^-5 sV d) 1.39*10^-5 sV e)6.23*10^-13 sV
Transition metals can combine with carbon monoxide (CO) to form compounds such as Fe_x_(CO)_y. Assume that you combine 0.125 g of nickel with CO and isolate 0.364 g of Ni(CO)_x. What is the value of x
assume water upwelling to the surface the equation is ch230ch2o76nh317h3po4 nbsphas a total carbon concentration 2300
Determine the electron geometry (eg) and molecular geometry (mg) of CH3+1.
Which reagents would be used to convert 1-phenylethanol to m-bromobenzoic acid using only 1-2 steps?
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