Answers edited by Ernest Z.

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• Question #c5bdc
  
• When does a single replacement reaction occur?
  
• Question #3e282
  
• How do you calculate entropy?
  
• What is solvation?
  
• Question #96ade
  
• Question #f10be
  
• How do you find the moles of a substance or the molecular formula with gas laws? Specifically, how do you explain n = m/M?
  
• What are some examples of the properties of acids?
  
• How does scientific notation with decimals work?
  
• Question #788a2
  
• How does radioactive decay relate to half-life?
  
• How do you use gravimetric analysis to find the mass composition of a solid sample?
  
• If sulfur 34 undergoes alpha decay, what will it become?
  
• Why does electron capture produce a neutrino?
  
• What is the difference between a sigma bond and a pi bond?
  
• How are non bonding orbitals formed?
  
• If a planet is 13 billion kilometers from the Sun, and the distance of an Astronomical Unit (AU) is 1.496x10^8 km, how many AU is this planet from the Sun?
  
• How do you determine the density of a gas?
  
• What is used to measure gas pressure in a closed container?
  
• Question #b497f
  
• What is an example of a pH buffer calculation problem?
  
• How are osmolarity and osmolality different?
  
• How is nuclear stability related to radioactive decay?
  
• How can bonding orbitals in diatomic oxygen be described?
  
• What factors determine nuclear stability?
  
• How can I calculate the density of a gas?
  
• How many antibonding orbitals are there in benzene?
  
• What phases of matter are present in soda?
  
• If 12.0 g of MgSO4 react with 15.0.g of BaCl2, what is the limiting reactant and what mass of BaSO4 is produced?
  
• Why is #ZnCl_2# a lewis acid?
  
• What are dependent variables?
  
• How can I calculate intermolecular forces of attraction?
  
• What properties of liquids are measurable?
  
• What is the difference between mixtures and compounds?
  
• How does density change with temperature?
  
• What is the ionic bond formation of aluminum and chlorine?
  
• Question #79430
  
• Can the ground state energy of an electron be negative?
  
• Why is enthalpy a state function?
  
• How do you predict the products in acid-base reactions?
  
• How does scientific notation work?
  
• How can I read molecular orbital diagram?
  
• How do stoichiometric ratios relate to molar volume of a gas?
  
• Question #a7afa
  
• Can matter be destroyed?
  
• How is dynamic equilibrium established within a saturated solution?
  
• What do you divide the mass of to calculate the percent concentration of a solution?
  
• How can I calculate the valence electrons of ions?
  
• Question #dc373
  
• Why is fusion exothermic?
  
• Question #d9a53
  
• What are the four categories of biochemical molecules of the human body?
  
• What are rounding and significant figures?
  
• Question #c7855
  
• Question #16a6b
  
• What type of intermolecular force of attraction is found in co2?
  
• How do you calculate the number of valence electrons in an atom?
  
• What are the principles of calorimetry?
  
• What is the role of buffer solution in complexometric titrations?
  
• Question #179ac
  
• How can I calculate the dissociation constant?
  
• How do you balance redox reactions in basic solution?
  
• Question #77683
  
• How can accuracy of a measurement be improved?
  
• What are dependent variables?
  
• What is a chemical element?
  
• How do ionic and molecular compounds compare in terms of boiling points?
  
• Question #5c3b5
  
• What is an aromatic hydrocarbon?
  
• How you would name the molecule N2O4?
  
• What causes gas pressure (in terms of kinetic theory)?
  
• A cannon fires a cannonball horizontally with a speed of 488 m/s. A. How long will it take the cannonball to fall 40 ft? B. How far will the shot travel in this time?
  
• What are anomers?
  
• Question #bb7b1
  
• How do you calculate the average rate of a reaction?
  
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