Homework Answers Page 10628

• A close box made of wood 1cm thick has ecteenal dimensions 20cm by 15cm by10 cm.find the mass of the empty box.if one cubid decimeter of wood weight 1kg?

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  Chemistry

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• A 4 g air-rifle pellets is fired into a target block attached to a glider. The block and glider total mass is 0.5 kg. The target slides along the track a distance 1.455 m. The track is inclined 10 degree. Determine pellet velocity from air rifle?

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  Physics

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• How many grams of lead chromate are formed from the reaction of 15.0mL of 0.40M potassium chromate with 15mL of lead nitrate? What was the limitng reagent from the equation?

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  Chemistry

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• What is the balanced ionic equation for the reaction of IO3-(aq) with I- in the acidic solution, H+ ?

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  Chemistry

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• What is irony?

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  English

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• What is an animal that eats other animals?

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  Biology

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• What type of mixture can be separated by sublimation ?

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  Chemistry

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• Why does and electron have negative charge and proton have positive while neutron neutral?

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  Chemistry

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• What compound makes up 60 percent of your body?

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  Biology

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• A volume of saline solution weighed 25.6 g at 4 degrees C. An equal volume of water at the same temperature weighed 24.5 g. what is the density of the saline solution?

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  Chemistry

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• Define solubility and write a note on its relation with temperature ?

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  Chemistry

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• A panda eats about 30 kg of bamboo per day. About how many pounds of bamboo will the panda eat in 6 weeks?

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  Algebra

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• How does length of a string affect its frequency? Thanks

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  Physics

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• What is an isotonic solution?

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  Chemistry

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• How do you convert 0.75 as a fraction?

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  Algebra

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• Why is ether used as the solvent during Grignard reactions?

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  Chemistry

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• If one mile equals 5,200 feet, how many feet are in 7 miles?

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  Algebra

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• The density of balsa wood is about ##170## ##kg####/####m^3##. How do you convert it to ##g####/####cm^3##?

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  Chemistry

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• Is a parallel circuit better than a series circuit?

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  Physics

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• What is the measure of an exterior angle of a dodecagon?

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  Geometry

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• ##/_1## and ##/_2## are supplementary angles. ##m/_1## is ##4y+7##, and ##m/_2## is ##9y+4##. What is ##m/_2##?

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  Geometry

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• Why is diffraction grating more accurate than double slits to measure the wavelength of light?

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  Physics

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• The median is called a resistant measure, whereas the mean is a non-resistant measure. What's a resistant measure?

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  Statistics

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• The probability of drawing a green candy from a jar of 20 candies is 1/4. How many yellow candies should be added to the jar in order to reduce the probability to 1/6 ?

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  Statistics

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• How long is an eon in years?

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  Science

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• What are double decomposition reactions?

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  Chemistry

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• What is the visceral pericardium?

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  Psychology

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• How does Boyle's law relate to breathing?

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  Chemistry

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• Why is photosynthesis important for plants?

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  Biology

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• How do you find the exponential function formula for the points (32,6) and (48,14)?

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  Algebra

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• Is vinegar and baking soda a acid-base reaction? ##CH_3COOH## and ##NaHCO_3##

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  Chemistry

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• Why is the cell membrane described as semi-permeable?

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  Biology

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• How do trends in atomic radius relate to ionization energy?

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  Chemistry

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• What is an example of an alliteration from "Julius Caesar," Act 1?

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  English

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• How do I use a frequency distribution to find the class width?

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  Statistics

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• What are some examples of net forces?

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  Physics

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• What are two examples of physical capital?

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  Economics

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• What is solute and solvent in orange juice?

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  Chemistry

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• How do you rewrite 10,000,000 as a power of ten?

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  Algebra

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• What is the difference between centromere, centrosome and centriole?

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  Biology

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• What response is adrenaline responsible for?

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  Psychology

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• Why are cepheid variable stars important in our study of the Milky Way?

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  Science

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• Baileys rectangular dog pen for his Irish setter must have an area of 400 square feet. Also, the length must be 10 feet longer than the width. How do you find the dimensions of the pen?

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  Algebra

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• The formula for the perimeter of a triangle is p=2L+2W what is the formula for W?

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  Algebra

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• What happens during meiosis that doesn't occur during mitosis?

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  Biology

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• P1V1/TI = P2V2/T2 and PV=nRT what is the difference between them ?

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  Chemistry

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• What is the ionic formula for calcium chloride?

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  Chemistry

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• How is the formula for the circumference of a circle derived?

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  Geometry

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• What is the difference between end rhyme and internal rhyme?

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  English

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• Why was westward expansion such an important issue in the election of 1844?

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  History

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