Questions asked by Christopher P.

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• How can density be used to identify substances?
  
• How can you find mass from density?
  
• How are density mass and volume related?
  
• How do you calculate mass using density and volume?
  
• How do you convert mass to density?
  
• How do you determine the density of a gas?
  
• What is the density of water?
  
• What is linear mass density?
  
• Why does density change with temperature?
  
• How can the scientific method be applied to everyday life?
  
• How do chemistry and biology relate?
  
• What are the branches of chemistry and their definition?
  
• How was the english system of measurement created?
  
• Why is the metric system of measurement convenient to use?
  
• Why is a universal system of measurement necessary in science?
  
• What units of measurement do scientists use?
  
• How can I memorize the metric system?
  
• How can you convert centimeters to millimeters?
  
• How can i convert centimeters to meters?
  
• What celsius temperature is the same when converted to fahrenheit?
  
• What metric unit is used to measure distance?
  
• What are the three commonly used temperature scales and how are they different?
  
• How do the Fahrenheit and Celsius temperature scales compare?
  
• What temperature scale do scientists use?
  
• How do you calculate planck constant?
  
• How is planck's constant used in the photoelectric effect?
  
• How do you derive Planck's constant?
  
• How can you differentiate Planck's function?
  
• How can the periodic table be used to predict new elements?
  
• How can I convert Celsius into Kelvin?
  
• How does the law of definite proportions apply to compounds?
  
• What is Proust's law of constant composition?
  
• How do you determine how much of the excess reactant is left over? Also, how do you determine how much MORE of the limiting reagent would you need to use up the excess?
  
• Before the discovery of electrons how were charges thought of?
  
• How do you calculate the total number of protons and electrons in a polyatomic Ion. Do you have to memorize it?
  
• Are polyatomic ions molecular compounds or ionic compounds?
  
• How can I determine if and when a molecule has or needs a resonance structure?
  
• How big is a neutron relative to a proton?
  
• In an isotope, which part of the atom changes?
  
• What is beta decay?
  
• What are functional groups?
  
• What is Hund's Rule?
  
• What is the duet rule?
  
• What is an ion?
  
• How can you derive the quotient rule?
  
• What is the quadratic formula?
  
• What is the derivative of #x^2#?
  
• What is the derivative of #sin^2(x)#?
  
• How do you solve for the power of #x#? For example, #2^x = 423#. How do you get #x#?
  
• If you shot a bullet at water, is there an angle at which the bullet would bounce off instead of just go through?
  
• What's the result when you raise a number to the zero power?
  
• What is mass?
  
• What is the difference between shell, subshell, and orbital?
  
• How many valence electrons does iron have?
  
• What's the difference between a formula unit and a molecule?
  
• Why is a number raised to a negative power the reciprocal of that number?
  
• Why is "being positive" a core value of the Socratic Community?
  
• How many valence electrons does helium have?
  
• How many valence electrons does calcium have?
  
• What is the net ionic equation of the reaction of MgSO4 with Pb(NO3)2?
  
• When answering a question, contributors should explain the underlying concepts required to understand the answer. How far back should the contributor go when explaining these concepts vs linking to them?
  
• What is Socratic's vision for the next few years?
  
• Is the density of the air in a heated hot air balloon less than the density of the air surrounding it and does that mean the volume of the same mass of air is increased within the balloon?
  
• Elemental iodine is a solid at room temperature. What is the major attractive force that exists among different I2 molecules in the solid?
  
• Why is superconductivity a low temperature phenomena?
  
• How can low temperatures for superconductivity be reached?
  
• A linear regression equation for a data set has a correlation coefficient of r=0.4. Would you be confident using your equation to predict what will happen outside of the data set?
  
• A pinball bangs against a bumper, giving the ball a speed of 52 cm/s. If the ball has a mass of 50.0 g, what is the ball's kinetic energy in joules?