Answers created by Munu

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• How do you graph #y=-2x+7# by plotting points?
  
• Question #b01d3
  
• Question #d438d
  
• How do you simplify #(2x ^ { 3} y ) ^ { 5} \cdot x ^ { 3}#?
  
• Danny has 42 saplings. He plants them equally in 8 rows. How many saplings are left over?
  
• Question #89b68
  
• Question #dab18
  
• Question #8635f
  
• How do you work out the oxidation number of an element in a compound? E.g finding the oxidation number of the element Cr from the compound #Cr2O3#
  
• Question #c7ad8
  
• Question #153a8
  
• Question #824ce
  
• Question #71a1e
  
• Question #ea3f9
  
• In the formula E = hf, what does h stand for?
  
• How do you write the equation #y+3/5=-4(x-1/2)# in slope intercept form?
  
• How do you solve #2x-4+7x< -6x+41#?
  
• Question #b7d0c
  
• What is a chemical bond formed by the transfer of electrons?
  
• A light wave traveling at #3.00 xx 10^8 "m/s"# has a frequency of #6.81 xx 10^(14) "Hz"#. What is the wavelength in meters?
  
• How does ionization energy change from left to right?
  
• What is a reaction that releases heat referred to as?
  
• Element X has electron configuration that ends with #4p^5#. How many electrons would need to be gained to achieve stability?
  
• What are the non-charged particles that are contained in the nucleus of an atom?
  
• Question #f329f
  
• What is a disproportionation reaction?
  
• How much momentum does a #2 kg# object moving at #1/2 m/s# have?
  
• How many chloride ions would combine with an #Al^(3+)# ion to form aluminum chloride?
  
• What is the best cardio exercise I can do to lose weight in the abdomen area?
  
• The noble gases are grouped together in the periodic table. Where are the noble gases in the table?
  
• A charge of #40 C# passes through a circuit every #8 s#. If the circuit can generate #34 W# of power, what is the circuit's resistance?
  
• A balanced lever has two weights on it, the first with mass #15 kg # and the second with mass #9 kg#. If the first weight is # 6 m# from the fulcrum, how far is the second weight from the fulcrum?
  
• What blood vessels are found through the nephron?
  
• Question #40c3b
  
• What is the "opposite" of ionization energy?
  
• Why is the reproductive system is important, in both males and females?
  
• What are the two main types of chemical bonds that are found in compounds?
  
• An alpha particle consists of two protons and two neutrons. What is the charge of an alpha particle?
  
• How does blood relate to the respiratory system?
  
• How do pH values of acids and bases differ?
  
• How does the rib cage protect the respiratory system?
  
• The half-life for the radioactive decay of calcium-17 is 4.5 days. How many half-lives have elapsed after 18 days?
  
• A charge of #2 C# is at #(1,4 )# and a charge of #-1 C# is at #(12 ,-5) #. If both coordinates are in meters, what is the force between the charges?
  
• How does the pH of an acid change with dilution?
  
• What does it mean if a solid is malleable?
  
• When you use a microwave oven to increase the temperature of a cup of hot chocolate, which type of heat transfer is taking place?
  
• What happens when light enters a new medium in terms of speed?
  
• What is most likely to be removed during soil erosion and why is this a problem?