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Enter formulas for these ionic compounds. copper(I) bromide copper(II) bromide iron(III) bromide lead(IV) bromide copper(I) oxide copper(II) oxide iron(III) oxide lead(IV) oxide
Assume that the aluminum atoms can be represented as spheres, as shown in the drawing (Part C figure) . If each {rm Al} atom has a radius of 1.43 {rm AA}, what is the length of a side of the unit cell?
State how much oxalate unknown should the student weigh out in order to use 35.0mL of permanganate solution?
CaC2 + 2H2O --> C2H2 + Ca(OH)2. Using this equation, determine how many moles of CaC2 are needed to react completely with 49 g H2O.
What is temperature of boiling water in Denver (in?C) at an elevation of 6000 ft ? 2000 m given that atmospheric pressure at that altitude is about 0.8 atm?
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.06 nm. It then gives off a photon having a wavelength of 1.0 × 103 nm.
what was the original total concentration of cesium and the corresponding radioactivity in Ci/L?
Calculate the mass of formed from the unbalanced reaction? A solution is prepared by mixing 100.0 mL of 0.45 M NaCl, 100 mL of 0.082M, and enough to bring the total volume to 400.0 mL
In an TLC experiment with paprika, which red spot is capsanthing and which is capsorbin? Is it the one that travels the farthest or least? How can You tell?
Before the reaction, the volume of hte system was 6.60L. After the reaction, the volume of the system was 2.00L. Calculate the total internal energy change, Delta U, in kilojoules
What is the partial pressure of each gas and total pressure of the mixture of gaases, in atmospheres, in the container?
A sealed glass jar has a small amount of water on the bottom. The rest of the volume in the jar is taken up by helium gas at a partial pressure of 526 Hg, and water vapor. If the total pressure inside the jar is 760. mmHg, what is the temperature ..
A 100.0-mL buffer solution is 0.175M in HCIO and 0.150M in NaCIO .What is the pH after addition of 150.0mL of HBr?
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