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A child inflates a balloon by exhaling carbon dioxide, oxygen, and water vapor. When fully inflated, the partial pressures of the gases in the balloon are 48 kPa, 76 kPa and 5 kPa. What is the total pressure of the balloon, in atmospheres?
a biological cell is immersed in a 60. mm solution of nacl at37degc. the cells membrane is permeable only to naions.
There are about 7 cation that need to orginzed to solved this problem.. I tried so many time but each time it is saying it wrong List the ionic formula for all of the cations you will be working with in this experiment in alphabetical order by nam..
Draw the structural formula & identify the types of bonds in each of the following organic compounds: C5H8 & C4H6
Describe clearly why a single indicator solution in only useful for measuring pH over a rather narrow range. Use a specific indicator of solution
You would like to add DAP to a 1500 gal fermenter of Cabernet Sauvignon to raise its YAN level to 250ppm N. Resolute its current level of YAN to be 120ppm N. If each gram of DAP adds 0.21 gram of N to the must, explain how much DAP is needed
A chemist dissolves 0.099 g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500-mL volumetric flask. A 36.1-mL sample of this solution
Which of the subsequent atoms with the specified electronic configurations would have the lowest first ionization energy
What is uncertainly in meters in the position of a helium atom if the uncertainty in its velocity is 1%
Some students obtained IR spectra of their n-butyl bromide product showing a band at ~2650 cm-1. Explain what impurity is responsible for this band. Define what error caused this impurity to be present in the product. Give a reference documenting ..
A 22 kg child slides down a 2.5-m -high playground slide. She starts from rest, and her speed at the bottom is 1.0 m/s . What is the change in the thermal energy of the slide and the seat of her pants?
Predict what a plot of temperature versus the volume of distillate will look like for the simple distillation and the fractional distillation of
Five mineral samples of equal mass of calcite, CaCO3 (MM 100.085), had a total mass of 10.1 ± 0.1 g. What is the average mass of calcium in each sample
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