Answers created by Abdul Sammad

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• How many molecules are contained in 90.0 g of h2o?
  
• Which of the following compound show optical isomerism and why? (1-Bromobutane or 2-Bromobutane)
  
• What is the slope of the line passing through the following points: # (-1,3) ,(-3, -6) #?
  
• How do you solve #39- 19= x - 4#?
  
• Question #95b29
  
• To make a dog bandana, you must have 12 inches of material. You are making several bandanas, so you buy 3 1/3 yards of material How many bandanas can you make?
  
• How do you solve #166= 5- u#?
  
• Question #7d439
  
• Which cells are ribosomes found in?
  
• One mole of chlorine gas is equal to how many grams?
  
• How do you write #31,800,000# in scientific notation?
  
• According to collision theory, why does an increase in temperature increase the rate of a chemical reaction?
  
• What is the moment of inertia of a pendulum with a mass of #7 kg# that is #4 m# from the pivot?
  
• Does a female have any male reproductive organs?
  
• How do you factor #3x^2+21x#?
  
• Why do helium filled balloons deflate over time faster than air-filled balloons do?
  
• What are the 5 levels of the human body?
  
• A balanced lever has two weights on it, the first with mass #5 kg # and the second with mass #8 kg#. If the first weight is # 4 m# from the fulcrum, how far is the second weight from the fulcrum?
  
• The distance from Liverpool to Prague is 1200 km. A flight from Liverpool to Prague lasts 4 hours. What is the average speed of the aeroplane?
  
• What is the empirical formula of a compound that contains 43.38% sodium, 11.33% carbon, and 45.29% oxygen?
  
• I am part of your heart. Blood from the right atrium comes to me. I force the blood into the pulmonary artery. What am I? I am the largest artery in your body. What am I?
  
• What is atomic number of oxygen?
  
• Can cancer affect the heart? Is the heart immune to cancer?
  
• Question #85744
  
• A balanced lever has two weights on it, one with mass #5 kg# and one with mass #20 kg#. If the first weight is # 9 m# from the fulcrum, how far is the second weight from the fulcrum?
  
• Fran has 1.84 kilogram of salt. If she places an equal amount into each of 20 jars, what is the weight of salt in each jar?
  
• If a current of #3 A# passing through a circuit generates #6 W# of power, what is the resistance of the circuit?
  
• What part of the brain controls thinking?
  
• How do you factor #x^2-11x#?
  
• How fast will an object with a mass of #24 kg# accelerate if a force # 39 N# is constantly applied to it?
  
• A German shepherd weighs 56.8 lb. How much does it weigh in kg?
  
• Is the word "challenging" a noun, verb, adjective?
  
• Question #dc69a
  
• What is biology? What is chemistry? Are these hard subjects?
  
• Question #2cd63
  
• Why is alpha decay dangerous?
  
• How do you solve #-4(x-3) - 20 = -8#?
  
• How many mol of #CO_2# are in 12.6 g of #CO_2#?
  
• How do you solve #3+2.7x = 9.6+3.2x#?
  
• How many plates is the lithosphere divided into?
  
• What happens when an acid and base react?
  
• How do you find the midpoint of (-2,7) and (-8,-5)?
  
• How do you multiply #(x+1)(x+4)#?
  
• A clerk’s weekly salary of $320 is increased to $360. What is the percent increase?
  
• How do you write #5.000 102 times 10^3# in standard notation?
  
• Question #49ca9
  
• Why is ionic solid non-conductive, yet its solutions in water, or in the liquid state, it carries a charge?
  
• Is "us" the third person?
  
• How do you simplify #(4(12-3) )/ ( 6-3 ) # using PEMDAS?
  
• How does xylem differ from phloem?
  
• The price of a technology stock has risen to $9.84 today. Yesterday's price was $9.71. How do you find the percentage increase?
  
• How do you write #7.050times10^-3# in standard notation?
  
• What is a flame test used for?
  
• What is the wavelength of red light with a frequency of #460 * 10^12# #Hz#?
  
• Is "any customers" plural or singular? I don't know which is right.
  
• What are quotation marks?
  
• How do you calculate an empirical formula from percent composition?
  
• How does blood become oxygenated blood in the body?
  
• How do you find the slope given (–9, 7) and (–2, –8)?
  
• List the three types of chemical bonds and explain the differences among them?
  
• How do you solve #x/12=5 1/2 div8#?
  
• What happens when a lithium ion is attracted to a fluoride ion?
  
• What are meteors made of?
  
• Can the cartilage in the outer ear be broken?
  
• What is cosmic background radiation?
  
• Is there nucleus in the human body?
  
• What is the difference between fission, fusion, and their applications?
  
• Question #26a7d
  
• Does blood type O have an antigen?
  
• What are the different sizes and health hazards of the three nuclear particles/rays?
  
• What are examples of indefinite adjectives?
  
• How do you solve #x-y=4# and #x+y=12#?
  
• Question #6995f
  
• How do you solve #-8=1/3x+x#?
  
• Can anybody help me with singular and plural possessives? Here are the nouns I'm having trouble with:
  
• What do they call nouns like "porridge" or "sugar" that don’t have a plural?
  
• Are the ovaries about the size of small grapefruits?
  
• How would you differentiate between ionic compounds, molecular compounds, and acids given only the formula?
  
• What things can affect the function of an enzyme?
  
• How much oxygen is the earth made of?
  
• How does digested food enter the blood?
  
• How do you solve the system of linear equations #2x + y = 5# and #x − 2y = 10#?
  
• What sometimes happens when urine becomes too concentrated or remains too long in the bladder?
  
• What is the slope of the line passing through the following points: #(0, -2), (-1, 5) #?
  
• How do you write #3097# in scientific notation?
  
• How much work does it take to raise a #67 kg # weight #5 m #?
  
• How do you write the expression #7b - 3(b-1)# in simplest form?
  
• How do you simplify #125-43+13# using PEMDAS?
  
• Why do you get a burning sensation in your muscles during strenuous exercise?
  
• How is the reaction between Aluminium and Mercury Chloride possible?
  
• What is the main sensory organ on the tongue?
  
• What state is ionic compound at room temperature?
  
• What type of tissue forms the dermis?
  
• Question #5da06
  
• What is the cell wall?
  
• How do you solve #1/3x+3>=22#?
  
• How do veins and arteries differ in structure?
  
• How do you solve #-5(a+2)-(a-4) = 28#?
  
• How do mixtures affect boiling point?
  
• How many electrons does potassium have to give up in order to achieve a noble-gas electron configuration?
  
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