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The unit cell of a compound containing strontium, iron, and oxygen is shown here.
(a)What type of lattice does this crystal possess (all three lattice vectors are mutually perpendicular)?
(b)What is the empirical formula?
Write the name and formula of 10 substances that you would not be appreciably soluble in water.
All living things contain carbon. Most of this carbon is stable carbon-12. However, a small percentage will be carbon-14, a radioactive isotope of carbon that decays with time
Explain why OSHA requires employers to limit employee
Hydrogen and nitrogen react to form ammonia, NH3. Calculate the mass of NH3 produced from the reaction of 14 g N2 and 1.0 g H2.
Aluminum metal is formed by the electrolysis of Al2O3 in molten cryolite. How many grams of Al are produced when 6.50 x 10^3 C pass through the cell
What is the pH of 0.10M methylammonium chloride, CH3NH3Cl(aq)
in a controlled greenhouse at 30.0ordmc and 1.0 atm a crop of seedling tomato plants was found to consume 380 l of
hanol, C2H5OH, is being promoted as a clean fuel and is used as an additive in many gasoline mixtures. Calculate the ?H°rxn for the combustion of ethanol.
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.210 M HClO(aq) with 0.210 M KOH(aq). (a) before addition of any KOH (b) after addition of 25.0 mL of KOH (c) after addition of 40.0 mL of KOH
Various types of medicines use in daily life? and classify them into analgesics, antipyretics, antibiotics, sedatives, antiseptics.
If one person has written a component but others have revised it, who is responsible if the component fails? What are the legal and ethical implications of reusing someone else's component?
Question- A gas mixture is made by combining 7.6 g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 18.77 L.
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