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Calculate the concentration (in mol/L) of 30% by weight (30 g NaOH per 100 g of solution) NaOH solution. The density of the 30% by weight solution is 1.33 g/mL.
What law states that mass and energy can be changed from one form to another but their sum remains constant?
What volume of O2 gas (in L), measured at 782 mmHg and 25C is required to completely react with 53.2 g Al
Consider the following reaction: 3CaCO3 + 2FePO4 = Ca3(PO4)2 + Fe2(CO3)3 a) which of the following reagents is the limiting reagent?
Consider a heat engine operating between 1200 K (TH) and 400 K (TC), What if we combust 1 liter of ethane to supply qh, how much work would we expect
The cereal sample without adding complexing agent was used as blank when measuring cereal sample. Why cannot we use DI water?
If the bonding in Nb metal is described used band theory, what fraction of the band would be filled with electrons? Assume that all valence bands (5s, 4d, and 5p) overlap
If 141 mL of wet H2 is collected over water at 24°C and a ba?rometric pressure of 738 torr, how many grams of Zn have been consumed.
Help me understand specifically why the dissociated phosphate ion would prefer to bond with cations like Al and Zn. I think I know why but help me better understand.
If an analytical method has been developed and the retention time for a particular anabolic steroid has been determined, how might you use this method to determine the possibility of the use of anabolic steroids by an athlete.
Ethanol (C2H5OH) is produced from the fermentation of sucrose in the presence of enzymes. C12H22O11(aq) + H2O(g) > 4 C2H5OH(l) + 4 CO2(g)
the cathode if you charge a lead storage battery for 1.85 h with a constant current of 13.4 A?
The element M forms the chloride MCl4 containing 75.0% Cl by mass. What is the atomic weight of M?
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