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How many titanium atoms does it contain? Titanium has a density of 4.50g/cm cubed
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Below is the structure of a war gas developed in 1917. It is poisonous because the arsenic can bind with thiol groups on enzymes and thereby inactivate the enzymes. (One thing you do not want to happen in your body is for your enzymes to not work!!!!) During WWII, the Allies were afraid that the...
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what volume (in milliliters)of a 0.315 M NaOH solution contains 6.22 g of NaOH?
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How would one solve the redox(conc. acid) reaction Cu(s)+HNO3(aq)=Cu(NO3)2(aq)+NO2(g)?
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Compose the balanced reaction equation for the following reaction occuring in basic aqueous medium. Reduce all coefficients to the lowest possible integers. Include H2O(l) and OH (aq) appropriately to complete the equation. Fe(CN)64 (aq) + Ce4+(aq) -> Ce(OH)3(s) + Fe(OH)3(s) +...
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900.0 in scientific notation
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For the reaction shown, calculate how many moles of form when each of the following completely reacts. 2N2O5=4NO2+O2 1.3mol N2O5
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The combustion of liquid ethanol ({\rm{C}}_2 {\rm{H}}_5 {\rm{OH}}) produces carbon dioxide and water. After 4.64 mL of ethanol ({\rm{density}} = 0.789\;{\rm g}/{\rm{ml}}) was allowed to burn in the presence of 15.70 g of oxygen gas, 3.74 mL of water ({\rm{density}} = 1.00\;{\rm g}/{\rm{ml}}) was...
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how many valence electrons does carbon tetrachloride have
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An element with the electron configuration [noble gas]ns2(n - 1)d10np3 has ____________ valence electrons. A) 2 B) 3 C) 5 D) 10 E) 15
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Sample Questions
- 1. For organic chemistry, what is a concerted shift? How do things like acids or heat affect them? What other factors affect them?
- 2. Which of the following reactions is an acid-base neutralization reaction? Why are the rest of the answers incorrect?
- A. AgNo3 (aq) + NaI (aq) --> AgI (s) + NaNO3 (aq)
- B. S8(s) + 8O2 (g) --> 8SO2(g)
- C. Na3PO4 (s) + 2H2O (l) --> H2 (g) + 2NaOH (aq)
- D. Ca (OH)2 (aq) + 2HI (aq) --> CaI2(aq) + 2H2O (l)
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