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Determine the relation shown for the radius of the species indicated. Explain which choice presents a valid comparison?
A) K > K+B) Ba2+ > Ba+C) Cl > Cl-D) S- > S2-
you accidentally poured salt into your large grind pepper shaker. this is the only pepper you have left and you need it
How much heat is required to raise the temperature of 73.5 of water from its melting point to its boiling point?
sample of a 0.116M potassium sulfate solution is mixed with 38.5mL of a 0.126M lead(II) acetate solution and this precipitation reaction occurs:
If it takes 526 J of energy to warm 7.40 g of water by 17 °C, how much energy would be needed to warm 7.40 g of water by 55 °C?
Use the data below to answer the questions. Substance Delta HF kJ/mol) C(g) 718.4 CF_4(g) -679.9 CH_4(g) -74.8 H(g) 217.94 HF(g) -268.61 Keep in mind that the enthalpy of formation of an element in its standard state is zero
2C8H18+25O2image from custom entry tool16CO2+18H2O, 0.120 mol of octane is allowed to react with 0.890 mol of oxygen. Which is the limiting reactant
Suppose 50 mL of 0.250 M CoCl2 solution is added to 25.0 mL of 0.350 M NiCl2 solution. Calculate the concentration, in moles per liter, of each of the ions present after mixing.
State A chunk of dry ice CO2(s), weighing 4.5g is sealed inside a 2 L soda bottle initially containing 1 bar of air. Explain what is the total pressure in the bottle after the dry ice sublimes as well as comes to 298.15 K
Draw the skeletal structure, where each atom obeys the octet/duet rule and no atom possesses a formal charge, for the molecule whose condensed structure is
Proceeds at a certain temperature until the partial pressures of H2O, H2, and O2 reach 0.0800 atm, 0.00500 atm, and 0.00200 atm respectively.
When 2.56g of a compound containing only carbon, hydrogen, and oxygen is burned completely, 3.84g of CO2 and 1.05g of h20 are produced. What is the empirical formula of the compound
A cylinder of oxygen gas contains 26.4 g of O2. Another cylinder, twice the volume of the cylinder containing oxygen (and at the same conditions of pressure and temperature), contains CO2 gas.
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