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Your drinking water contains an "unknown" substance at a level of .8 parts per million(ppm). If you drink a glass of water, what mass, in grams, of this "unknown" substance will you ingest. The volume of your drink was 250 mL and the density of the water was 1.00g/mL.? (The answer given is 2x10^-4g)
suppose that a fully charged lead-acid battery contains 1.50 l of 5.00 m h2so4. what will be the concentration of h2so4
A "free" element A monoatomic ion Part of an ionic or covalent compound Part of a polyatomic ion I know that H and O's numbers can change depending on how they are bound to other elements, but usually H is +1. However a more simple way to memorize..
To find the % by mass of a compound in a given sample - Determine the percent by mass of calcium carbonate in the sample. State any assumptions.
How are fatty acid oxidation and different from one another, Metabolism uses various ways to ensure that 2 opposing pathways do not occur at the same time. For the following pair of pathways list 2 ways (different cell location
Ammonium hydrogen sulfide decomposes according to the following reaction, for which Kp = 0.451 at a given temperature. If 55.0 g of NH4HS is sealed inside a 5.00 L container at this temperature, calculate the partial pressure of NH3(g) at equilibr..
What are the advantages of also measuring the MS spectrum?
To identify a diatomic gas (x2), a researcher carried out the following experiment: She weighed an empty 4.8- bulb, then filled it with the gas at 1.40atm and 20.0 degC and weighed it again.
The temperature inside a pressure cooker is 1150C. Calculate the vapor pressure of the water inside the pressure cooker.
Predict the type of bond (ionic, covalent, or polar covalent) one would expect to form for each bond.
what is the pressure of a container that has 7 atm pressure coming from o2 2 atm of pressure coming from n2 3 atm of
At 450 Celsius, 5.56 moles of ammonia are place din a 2.00-L vessel and allowed to decompose to the elements. 2NH_3_(g) N_2_(g) + 3H_2_(g)
petit discovered the empirical rule that the specific heat times the atomic weight of many solid elements is a constant: Using this rule, calculate the specific heat of copper and platinum.
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