Answers created by Tartar C.

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• What is the number of protons, neutrons, and electrons in #""_6^12C#?
  
• Question #62a46
  
• How many liters of oxygen are required to react completely with 2.4 liters of hydrogen to form water? #2H_2(g) + O_2(g) -> 2H_2O(g)#?
  
• When glucose is consumed, it reacts with oxygen in the body to produce carbon dioxide, water, and energy. How many grams of carbon dioxide would be produced if45 g of #C_6H_12O_6# completely reacted with oxygen?
  
• Question #8f2ab
  
• Question #c6524
  
• Methane can be decomposed into two simpler substances, hydrogen and carbon. Therefore, what is methane?
  
• How wold you rank these bonds from most ionic to most covalent in character? #Br-F#, #Ca-F#, #K-F#, #F-F#, #Cl-F#?
  
• What information is needed to calculate the volume of a paperweight?
  
• In the reaction #Fe -> Fe^(3+) + 3e^-#, what is the Fe atom?
  
• What is the hydronium ion concentration of a solution whose pH is 4.12?
  
• How does adding salt water to fresh water alter the fresh water's physical properties?
  
• Carbon dating is accurate for organic matter up to how old?
  
• Question #bbc16
  
• Question #889ec
  
• Question #e2e04
  
• Is the overall charge of the nucleus positive, neutral, or negative?
  
• When charcoal burns, it undergocs a chemical change that produces heat and light. Besides the charcoal, what is the other reactant in this chemical change?
  
• Question #8c5a2
  
• What volume of 7.91M solution of nitric acid, HNO3 is just sufficient to react with 15.9 g of lead dioxide, PbO2 ? 2PbO2 + 4HNO3 ---> 2PbNO3 + 2H20 + O2
  
• Question #b28f3
  
• Question #b21cc
  
• Question #95cc2
  
• In what periods are the lanthanides and actinides? Where are they placed in the periodic table?
  
• What is the proper form of the combined gas law?
  
• A 15.00 mL solution of potassium nitrate (KNO3) was diluted to 125.0 mL, and 25.00 mL of this solution were then diluted to 1.000 x 10^3 mL. The concentration of the final solution is 0.00383 M. What is the molarity of the original solution?
  
• Transmittance of a solution? Question #3# only
  
• Question #77800
  
• Question #bd24c
  
• Question #91c2b
  
• One of two identical balloons contained carbon dioxide (CO2, 44 g mol−1) and the other contained hydrogen (H2, 2.0 g mol−1). If it took 24 hours for all of the H2 to escape from its balloon, how long did it take for all of the CO2 to escape?
  
• Question #eafcf
  
• How do you find the Vertical, Horizontal, and Oblique Asymptote given #(-7x + 5) / (x^2 + 8x -20)#?
  
• Question #87395
  
• How do you determine if a substance will have good solubility in water?
  
• Question #4492c
  
• Question #827e8
  
• Question #4185a
  
• Question #842ec
  
• Question #3227c
  
• Question #3dd04
  
• How do you balance the following reaction in acidic solution #MnO_4^-(aq) + H_2C_2O_4(aq) -> Mn^(2+)(aq) + CO_2(g)#?
  
• How do you solve #-\frac { 2} { u - 7} = - 8#?
  
• Question #d2974
  
• Question #13205
  
• A #4 L# container holds #4 # mol and #4 # mol of gasses A and B, respectively. Groups of four of molecules of gas B bind to three molecule of gas A and the reaction changes the temperature from #280^oK# to #320^oK#. By how much does the pressure change?
  
• Question #480a7
  
• Question #c7b80