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How many milliliters of water must be added to 350 mL of 0.840 M HCl to dilute the solution to 0.250 M?
How intense is full sunshine compared with a laser that shines 1 mW into a circular bean 3 mm in diameter.
In the photosythesis process sugars are produced during the reaction of carbon with water Assuming air is composed of 0.030% carbon dioxide calculate the volume of air required at reference conditions to produce 1.0kg of sugar.
Illustrate the overlap (draw a picture if possible) of a carbon sp3 orbital with the 1s1 atomic orbital of a hydrogen bond to form a C-H single bond
A 68.0 mL solution of 0.500 M Cd(NO3)2 is prepared. What mass of NaOH is needed to precipitate the Cd2+ ions from this solution?
0.90 g of hydrogen chloride hcl is dissolved in water to make 2.5 l of solution. what is the ph of the resulting
While 8.7 g of toluene is mixed with 12 g of pure nitric acid, only 9.9 g of trinitrotoluene (TNT) is improved from the mixture when it is separated from other undesired byproducts. Explain what is the percent yield of the synthesis
What are the concentrations of H2PO4- and HPO42- Respectively, for a 0.0075 M phosphoric acid solution
a sample of gas molecules has a temperature t1 and a root mean square velocity vrms1. a second sample of the same gas
By using photons of specific wavelengths, chemists can dissociate gaseous H-I to produce H atoms with accurately known speeds. When H-I dissociates, the H atoms move away rapidly, whereas the relatively heavy I atoms move little. hint use the Aver..
How many moles of water, H2O, are present in 75.0g H20? A. 4.17 moles B. 4.41 moles C. 75.0 moles D. 1.35 x 10^3 moles C 7.50 moles
Compound A gives 79.37% C and 8.88% H by elemental analysis as well as gives a molecular ion peak of 136 on low resolution mass spec. Explain what is the molecular formula
Problem- What would happen if you heated (Isopentyl acetate) ester with NaOH solution. what would you expect to observe
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