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Without first writing a full molecular or ionic equation, write the net ionic equations for any precipitation reactions that occur when aqueous solutions of the following compounds are mixed. If no reaction occurs, so indicate. (Omit states-of-matter in your answer. If no reaction occurs, enter "NONE".)
A) iron(III) nitrate and sodium carbonate
B) copper(II) sulfate and sodium sulfide
C) lithium chloride and lead(II) nitrate
D) gold(III) chloride and sodium hydroxide
How many moles of (NH4)2SO4 are there in 100.00 g of ammonium sulfate? How many ammonium ions are in 100.00 grams of ammonium sulfate? Use Avogadro's number, 6.0221 x 1023 ions/mol.
c3h8g 5o2g 3co2g 4h2ol ho -2220 kjmolpropane is often used for gas grills and is typically purchased by filling a
the reaction 2nog cl2g -------gt 2noclg is carried out in a closed container. if the partial pressure of no is
Rubidium has two naturally occurring isotopes, rubidium -85 ( atomic mass = 84.9118 amu; abundance = 72.15%) and rubidium -87 (atomic mass = 86.9092; abundance = 27.85%). Calculate the atomic weight of rubidium.
a new temperature scale is proposed based on the melting andboiling point of benzene. the melting point os benzeneis
Calculate the amount of heat involved in the conversion of 25.00 g of water at 100 C to steam at 100C. Use Hess's law to calculate the amount of heat involved in converting 25.00 g of liquid water at 25 C to steam at 100C
A refrigeration tank holding 5.00 L of Freon gas (C2Cl2F4) at 25°C and 3.00 atm pressure developed a leak. When the leak was discovered and repaired, the tank had lost 76.0 g of the gas.
when mixture A at 273 K is heated to 473 K, mixture B results. How many different chemical changes occur? How many different physical changes occur?
At an altitude of 30 km, the temperature in the stratosphere is approx. -45.3 degrees F. What is the average kinetic energy of a single CF2Cl2 molecule at this temperature?
Calculate the pH at the equivalence point in a titration between 10.00 mL of acetic acid(0.100 mol/L) and sodium hydroxide (0.100 mol/L).
why must one half reaction in the table of standard reduction potentials be arbitrarily assigned a value of 0 volts? why were not all of the half cell potentials
At the anode in a galvanic cell (voltaic cell), a. electrons are accepted b. electrons are produced AND oxidation takes place c. electrons are produced d. oxidation takes place e. reduction takes place
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