Answers edited by zhirou

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• Question #136e3
  
• Why does the rusting of iron make it thinner?
  
• Who's interested in a new Socratic on a different website?
  
• In a chemical reaction you collect 1L Hydrogen gas at STP. How many moles of hydrogen gas did you collect?
  
• Question #648a7
  
• Who's interested in a new Socratic on a different website?
  
• What is the ClO− concentration of a mixture that is 0.310 M in HF and 0.100 M in HClO?
  
• Question #a511c
  
• How much heat is required to raise the temperature from 26 degree centigrade to 50 degree centigrade for 100 gr lead?
  
• Question #f3e9a
  
• Calculate the heat absorbed by 125 g of water (SH = 1.00 cal/g°C) when the temperature rises from 21.0°C to 35.0°C?
  
• How many neutrons are in a nucleus that has 45 protons and a mass number of 160?
  
• Question #ca262
  
• How many moles of potassium chlorate were necessary to produce eight moles of oxygen?
  
• As the pH number of an acid decreases, what happens to the strength of the acid?
  
• Question #64391
  
• List the major types of intermolecular forces in order of in creasing strength. Is there some overlap?
  
• How does the mass before a reaction compare to the mass after a reaction according to the law of conservation of mass?
  
• What's the electron configuration for Oganesson? Atomic number-118
  
• Are solutions pure substances?
  
• Molecules of chlorine do not decompose into atomic chlorine. Why?
  
• How many protons, neutrons, and electrons are in Amethyst?
  
• Why is there no impact of pressure on a equilibrium condition when the number of molecule of gas reactant and the number of molecule of gas product are same? What will the theoretical explanation?
  
• What is the equation of reaction between magnesium nitrate and ammonium hydrogen phosphate??
  
• When the temperature of a rigid hollow sphere containing 685 L of He gas is held at 348OC, the pressure of the gas is 1.89 x 103 kPa. How many moles of He does the sphere contain?
  
• How many liters of 0.150 M HCl would be required to react completely with 25.00 grams of calcium hydroxide?
  
• A volume of a gas is 20.4 L when the pressure is 925 kPa. At constant temperature, a change in pressure causes the volume of the sample to change. If the new volume is 30.6 L, what is the new pressure?
  
• How much ferrous sulfide will dissolve in one liter of water if its ksp is 3.7x10^-19?
  
• Question #05a9c
  
• In which direction must the reaction proceed to reach equilibrium?
  
• Are gas molecules assumed to exert no forces of attraction or repulsion on each other?
  
• Does using larger particles make a substance go slower or faster? How about using smaller particles?
  
• Question #cca44