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Question- For the simple cubic crystal structure, in terms of the atomic radius, R, determine the distance between the centers of adjacent atoms along the [120] direction.
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What are the advantages and disadvantages of writing a chemical equation with chemical symbols and formulas instead of just words?
Subsequent to 57 min, 39.0% of a compound has decomposed. Explain what is the half-life of this reaction assuming first-order kinetics
A gas mixture contains 1.25 g N2 and 0.85 g O2 in a 1.55-L container at 18 °C. Calculate the mole fraction and partial pressure of each component in the gas mixture.
Explain when sodium metal comes into contact with water, hydrogen bubbles out of the solution (presenting a potential fire hazard)- 2 Na(s) + 2 H2O ? 2 NaOH(aq) + H2(g)
James needs a 0.600 M solution of KCL. He measures out 0.600 g of KCL and adds 1 L of water to the solid.
A student traces of brown deposite during the KMnO4 (NH4)2Fe(SO4)2 titration and quickly add more H2SO4 and continued his titration?Suggest what wil happen and why.
Saturated Calomel Electrode || Titration Solution | Ag (s) Calomel Electrode: E=0.241V For Ag+ + e- ---> Ag(s), E0 = 0.79993 V. AgI is Ksp = 8.3 × 10-17. What it the volts at equivalence point when Ve=30.00mL
Problem- Consider how the I-Cl bond is polarized and predict the product which results when this mixed halogen adds to 1-methylcyclohexene. Include relevant region- and/or stereochemistry in your product's structure.
A solid laboratory unknown contains two substances, lead(II) carbonate and potassium carbonate. A 5.000 g sample of this unknown was treated with aqueous nitric acid to dissolve it, then, after further treatment to adjust the acidity, it was treat..
A particular smoke detector contains 1.95 of , with a half-life of 458 . The isotope is encased in a thin aluminum container. Calculate the mass of in grams in the detector
Students were instructed to mix the benzaldehyde and acetone starting materials in their conical vials before adding the ethanolic sodium hydroxide solution. a. Why was this essential to the success of the reaction
A spring is compressed 10.0 cm from equilibrium as well as the potential energy stored is 50.0 J. Explain what is the spring constant in this case
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