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What is the pH of a solution with a [H+] = 1.0 × 10^-10? Enter your response using 3 significant figures.
an ordinary 3.0 v flashlight bulb draws roughly 0.25 a of current and converts about 1.0 of the electrical power into
Explain, in detail, why atomic radii do not increase uniformly with increasing atomic number. Give specific examples in your answer.
Calculate the amount of N2 gas released (in liters at 37 and 1.5 atm) when the diver returns to the surface of the water, where the partial pressure of N2 is 0.80 atm.
If I have 31.0 g of lithium hydroxide dissolved to make 3 L of a solution, what is the molarity of the solution
Question- A Chem instructor synthesizes a compound composed of carbon, hydrogen, and nitrogen and submits 0.1156 g of it to combustion analysis. The TA recovers 0.3556 g of carbon dioxide and 0.0655 g of water. What is the empirical formula of the..
Please respond to ONE of the below questions in detail. These questions are taken from Sam Kean's "Questions and Topics for Discussion". Your response needs to be 1-2 pages long, or approximately 700-900 words. Consider the question and articulat..
A sample of neon gas has a volume of 2.5 L at 780 torr and 24 degrees C. How many neon atoms are in the sample
Question- Part 1) Water can be made by combining gaseous O2 and H2. If you begin with 1.5 L of H2(g) at 360 Torr and 23°C, what volume in liters of O2(g) will you need for complete reaction if the O2(g) is also at 360 Torr and 23°C
1.335 g of a particular metallic alloy, compounded of only Pb and Sb, can be quantitatively converted into a 1.554-g mixture of the oxides PbO2 and Sb2O4. What was the percentage (by mass) of antimony in the alloy
Discuss these two types of chemical reactions, exothermic and endothermic.
Question- A sealed 260. mL bottle containing 248 mL of water (d20=1.000 g/mL) was placed in a freezer at -20 degrees celsius. When the water freezes (d20=0.9168 g/mL) will the bottle rupture. Illustrate all calculations and explain your answer.
Draw the structural formula (using C and H) for 3,3-diethylheptane.
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