Answers edited by Fty

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• What is precision error in chemistry?
  
• Calcium oxide, CaO, is a base compound which can react with certain types of acids. A student mixed 1.5g of CaO with 2.5M HNO3. The chemical equation for this reaction is: CaO + HNO3 → Ca(NO3)2 + H2O?
  
• Question #8ef24
  
• Question #421ba
  
• How do you solve #5x - 10= 7#?
  
• Question #a6169
  
• When keeping track of source information during the research process, what pieces of information should you record?
  
• How much is a 15-percent down payment on a purchase price of $205,000?
  
• What is dna?
  
• How are X - rays formed ?
  
• Question #690d7
  
• Which of these acids has more equivalence points in its titration curve? #"H"_2"SO"_4# or #"H"_3"PO"_4#? How can you tell which one is the weaker acid?
  
• A car turns a corner that has a radius of 5 m and experiences a centripetal acceleration of 20 m/s. If the radius of turn were increased to 10 m, what is the centripetal acceleration?
  
• Where in the body does the reabsorption of water occur?
  
• An object with a mass of #2 kg# is revolving around a point at a distance of #5 m#. If the object is revolving at a rate of #3 Hz#, what is the centripetal force on the object?
  
• What is the wavelength of a photon of red light (in nm) whose frequency is #4.55*10^14# #Hz#?
  
• Homeostasis is controlled by both nervous and endocrine systems. Compared to hormones, action of nerves could be described as which of the following? a)more effective b)more complex c)more time consuming d)more rapid
  
• Question #5f1e9
  
• Question #37f2d
  
• Which types of proteins activate some chemical reactions in the body?
  
• 42 is 20% of what?
  
• Question #67702
  
• Question #638f8
  
• Question #1bd5c
  
• What do golgi bodies do in an animal cell?
  
• Question #b4bc9
  
• Question #4844b
  
• Question #2c355
  
• How do you solve #12> - 3( 2n - 4)#?
  
• What is the main idea in a paragraph?
  
• Why is it important to determine a solutions pOH?
  
• Question #a0d1d
  
• Question #463db
  
• How do you express #0.000425# in scientific form?
  
• Name 10 prokaryotes?
  
• What is the purpose of the cell cycle?
  
• Question #e1ea8
  
• What happens to carbon dioxide in cellular respiration?
  
• Question #040c8
  
• How do you use the Pythagorean Theorem to determine if the following three numbers could represent the measures of the sides of a right triangle: 30, 16, 34?
  
• Question #2d155
  
• Question #86475
  
• How do you translate "5+ 6 over f" into an english statement?
  
• Question #d899b
  
• What is #2 2/3%# of 60?
  
• Question #a7292
  
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