Answers created by tcw1

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• How do you simplify `(m n ^ { 3} ) ^ { 5} ( m n ^ { 5} ) ^ { 3}`?
  
• How do you solve `x+5=sqrt(17+x)?`?
  
• What does the ideal gas law state?
  
• What would be the name of Ni2O? What's the charges on each nickel cation? How does that translate into the name?
  
• How does a nucleus change when beta decay occurs?
  
• How do you solve `|x – 6| = 10`?
  
• What is the molecular geometry of `"H"_2"O"`? Draw its VSEPR structure.
  
• The density of lead is 11.3 g/mL. What is the mass of 45 mL of the metal?
  
• How do you graph the derivative of `f(x) = x(x-1)`?
  
• How many significant figures are in 0.00081?
  
• Whats the absorption energy of a photon when moving from the first state to the fifth state?
  
• What is the correct electron configuration for silicon?
  
• How many molecules, carbon atoms, moles of molecules, and moles of atoms in 5 moles of CaCO3?
  
• How many moles of magnesium chloride do you need to make one liter of 4M solution?
  
• Which would be best to determine if an element is a metalloid?
  
• How does temperature affect the movement of atoms and molecules?
  
• What is the equation for aluminum bromide plus chlorine gas yields aluminum chloride and bromine gas?
  
• How many moles are in 0.208g of Mg?
  
• How can I write the Lewis formula for this please? Thanks!
  
• How do you find effective nuclear charge in each shell of an atom? (general chem)
  
• Mention the state of hybridization of central atom? 1.SF6
  
• Question #06e39
  
• Question #e9e16
  
• Can you use calcium hydroxide instead of sodium hydroxide?
  
• Question #85f01
  
• Question #7291f
  
• Many chromosome mutations result when chromosomes fail to separate properly during what process?
  
• Question #045b1
  
• Question #55e37
  
• How do you calculate the mole ratio for two compounds to predict a base amount to neutralize an acid?
  
• Question #514be
  
• What mass of aluminum contains twice as many atoms as 35.00 grams of copper?
  
• Question #29348
  
• Question #44d6b
  
• Question #f3551
  
• How do you write the equation of a line given (0,2), (-4,2)?
  
• What is the mass in grams of a single atom of silver?
  
• Question #51890
  
• Wha tis the name of `CdI_2`?
  
• Question #b7e82
  
• What is the volume of 75.0 g of `O_2` at STP?
  
• How do you determine the quadrant in which the angle `8.3^circ` lies?
  
• How do you calculate the mass of a `""^1H` atom?
  
• What is the length between PO, PQ, OQ have to be when the points form a equilateral triangle?
  
• What is the half life and decay mode of Rn-222?
  
• How would you write the electron configuration for the following ions?
  
• How do you rationalize the denominator and simplify `(-24sqrt45)/(72sqrt20)`?
  
• Question #da86e
  
• What ordered pair (x,y) satisfies the system of equations `2x-y=6` and `x+2y = -2`?
  
• In a titration experiment, 12.5 mL of 0.500 M `H_2SO_4` neutralizes 50.0 mL of `NaOH`. What is the concentration of the `NaOH` solution?
  
• A certain recipe asks for `1/4` cup of granola. How much is needed to make `3/4` of the recipe?
  
• Question #67163
  
• What is the place value of "8" in 6,98,14,034?
  
• What is the closest hypergiant to Earth?
  
• Wh t elements is crude oil primarily composed of?
  
• Approximately how long ago did Earth form?
  
• How do you long divide `(x^2)/(2x + 4)`?
  
• What is the area in personality that deals with the outside world?
  
• Why is atomic mass in parentheses?
  
• Question #9b3d5
  
• Can you find the range for categorical data?
  
• What are the three phase changes that require energy to perform?
  
• What is the saltiest tasting salt?
  
• What transition metals are radioactive?
  
• How can you tell if an element wants to gain or lose electrons?
  
• How do you graph to solve the equation on the interval `[-2pi,2pi]` for `tanx=1`?
  
• Question #1b1d7
  
• How do you solve `3b + 5= 17.3`?
  
• How do you simplify `\frac { 5x ^ { - 1} y } { 10( x ^ { 5} y ^ { 4} ) ^ { - 3} }`?
  
• What are differences and similarities between a pure substance and a homogeneous mixture?
  
• If a pair of vertical angles measure `5x - 55` and `3x -23`, what are the measures of the angles?
  
• Will an ionic silicon atom be diamagnetic or paramagnetic?
  
• How do you solve `2a ^ { 2} + 24a = - 92`?
  
• Question #b8339
  
• Question #9d584
  
• What does the color of each elements symbol represent?
  
• What is the molecular geometry of `ICl_5`?
  
• The sequence with `n`th term `2n^2+3n+c` has second term `19`. What is the value of `c`?
  
• Is a reaction with a base to form water physical or chemical change?
  
• How many grams of metal oxide could be produced from 7.461 g of magnesium?
  
• What group is potassium in?
  
• The number 0.00243 has how many significant digits?
  
• Half-life of carbon-14 is 5730 years. A piece of wood that contained 0.200g of Carbon-14 when it was alive now contains 0.0125g of Carbon-14. How old is the piece of wood? 5730 years old 11460 years old 17190 years old 22920 years old?
  
• What is the physical state of oxygen at room temperature?
  
• How many sigma and pi bonds are in `CO_2`?
  
• What boundary separated free states from slave states?
  
• How many neutrons are in neon?
  
• Approximately how many elements occur naturally on earth?
  
• How do you solve `x^2- 10x= 13` by completing the square?
  
• How do you find the slope and intercept of `8x-1/2y=-2`?
  
• What is the percent increase from 50 to 60?
  
• How do you find the first and second derivative of `ln(ln x)`?
  
• How do you find the limit of `(3x^2 - 5x + 1) / (4x^2 + 5x)` as x approaches infinity?
  
• What are the elements in Period 2 that are metals?
  
• How many valence electrons does phosphorous have available for bonding to other atoms?
  
• What is the atomic number of iron?
  
• Sodium chloride is a compound of sodium and chlorine, which of these elements is the alkali metal and which halogen?
  
• What is the atomic number of phosphate?
  
• What are the substances that are formed after a reaction has taken place?
  
• What is the atomic mass of C?
  
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