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A student pours 200 grams of methanol, a flammable substance into the sink. Another student causes the bad situation to get evern worse by dropping a lit match into the sink. The methanol burns completely with 300 grams of oxygen from the air.
What mass, in grams, is converted into energy?
Phosphoric acid is a weak triprotic acid with the formula H3PO4. If you have 50.0mL of a 1.0 M solution of H3PO4, explain how many grams of NaOH MM = 40.0g/mol must you add to make a buffer with a pH of 7.00
Generation and use of a standard curve and serial dilutions, This lab provided a 100mM Glucose standard solution which you are required to dilute with water to give final concentrations of 0,0.4,0.8,1.2,1.6 and 2.0 mmol/L glucose in a final volume..
how much aspirin is recovered? Solubility of aspirin in water at 25oC is one gram of aspirin per 300 milliliters of water.
Determine how many of the isomers will have a parent name of heptane. (I know the answer is 3, but is there a formula to easily figure it out or how do you go about knowing when you've drawn enough molecules to determine
Could someone please explain why synthesized soap and detergent have different reactions when they are mixed with calcium chloride
depending on the type of chemical reaction molecular bromine br2 can be a source of br br- or brmiddota. provide a
Categorize each of the following as either ionic, covalent, or metallic bonding. 1. Molecular formula= 2. electron sharing= 3. alloy= 4. nonmetal with nonmetal
two naturally occurring isotopes with atomic weights 184.9530 and 186.9560. What is the percent abundance of the lighter isotope
A buffer with a pH of 4.05 contains 0.21 M of sodium benzoate and 0.30 M of benzoic acid. What is the concentration of [H ] in the solution after the addition of 0.052 mol of HCl to a final volume of 1.4 L
When comparing the successive ionization energies of an element, an unusually big increase in ionization energy is seen when
At 298K, the osmotic pressure of a glucose solution is 10.50 atm. Calculate the freezing point of the solution if the density is 1.16g/mL.
How many grams of ethylene glycol (C2H6O2) must be added to 1.15 kg of water to produce a solution that freezes at -4.82 degrees celsius
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