Science Homework Answers & Questions Page 847

• is an objects change in motion relative to a reference point called motion?

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• How many moles of caffeine are there in 378.0 g of caffeine?

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• What is the value of work (w) when a piston of volume 0.2 L expands against an external pressure of 200 kPa to a volume of 3.4 L?

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• I feel stupid. I am starting a lab and am stumbling at the first question. I don't know how to tell from the map the age of the fluvial landscape I...

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• please help me to solve , When 25.0 mL of 0.400 M H2SO4 and 50.0 mL of 0.850 M H2SO4 are mixed, what is the molarity of sulfuric acid in the final

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• On mastering chemisty: A silver block, initially at 62.4 degree C, is submerged into 100.0 g of water at 24.0 degreeC in an insulated container.

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• i need help about my optical mineralogy class . Now we are on minerals and minerals groups chapter

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• How many grams of glucose (molar mass = 180.16 g mol -1 ) must be dissolved in 210. g of water to raise the boiling point to 105.92 C?

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• Designers of transonic/supersonic aircraft use different features to enable flight in this high speed regime.

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• Make note of the definition for HIM, and review AHIMA's history, mission, and future predictions.

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• A canister is filled with 310 of ice and 100. of liquid water, both at 0 . The canister is placed in an oven until all the has boiled off and the...

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• just four questions, answer each of them separately how viscosity affects the type of volcanic eruption and volcanic deposits Know how volcanism is...

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• Calculate the pH of a solution containing 25.00 mL of 0.12M formic acid (Ka=1.7x10^-4) to which the following amounts of 0.10M NaOH have been...

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• What mass of sucrose should be combined with 472 of water to make a solution with an osmotic pressure of 8.95 at 300?

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• A train is traveling at 30.0 \rm m/s relative to the ground in still air. The frequency of the note emitted by the train whistle is 262 \rm Hz.

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• Calculate the ratio of HPO42-/H2PO4- (pK=6.7) at pH=5.7 and 8.

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• The density of gold is 1.9310^4 kg/m^3. 205 g of gold is shaped into a cube. What is the length of each edge?

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• The reactance of a capacitor is 65.2 at a frequency of 147.8 Hz. What is its capacitance?

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• An automobile club plans to race a 740 kg car at the local racetrack. The car needs to be able to travel around several 145 m radius curves at 83...

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• NO PLAGIARIZED WORK FROM THE INTERNET. or do not attempt! i need step by step instructions where possible so that i can fully understand.

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• 3. What would happen to our graphs if, on one of our runs, the masses accidentally fell off at the same time half way through the experiment?

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• need a nonprofit organization speech with outline need a well know nonprofit organization thanks.

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• what is magnitude of a point charge chosen so that the electric field 75cm away has the magnitude 2.

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• The insurance industry plays a huge role in the American health care system and absorbs a significant portion of the health care dollar.

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• A jet plane is flying with a constant speed along a straight line, at an angle of 34.0 above the horizontal, as Figure 4.30a indicates.

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• adrenal medulla b. adrenal cortex c. zona glomerulosa d. zona reticularis 27. The secretion of ________ helps regulate our circadian rhythms....

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• Kate (m = 50 kg) is swinging on a tire tied by a (light) rope (L = 3 m) to a tree limb. Her twin Ashley comes along and squeezes into the tire with...

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• The geographic range of P. drummondii overlaps partially with the range of Phlox cuspidata, which has light blue flowers. Both species are pollinated...

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• Unattached earlobes are a dominant trait.

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• The habitats valuable for commercially harvested species are called what is geography?

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• Discuss the effects of age on child bearing for women. Explain why women who have children later in life risk having children with genetic conditions....

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• Can you explain to me what an isotope is and why they're important and their functions?

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• Given that an astronomical unit (AU) is 1.50 x 10^11 m and a light-year is 9.46 x 10^15 m, how many astronomical units are in a light-year?

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• Why can bacteria infect your cells, but you cant infect the bacteria?

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• What is the length in nanometers of a 41.9 kDa Pauling-Corey alpha-helix?

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• A light spring having a spring constant of 125 N/m is used to pull a 9.50 kg sled on a horizontal frictionless ice rink. The coefficient of kinetic...

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• Hi tutor, I'm looking for some ideas/possible topics for a Human Health Risk Analysis/Assessment Project, following this criteria...

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• During a lightning flash, there exists a potential difference of V cloud V ground = 1.1 10 9 V between a cloud and the ground.

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• The figure below shows the electric field lines for three point charges which are positive and negative as indicated, (a) Use the compass directions

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• Susan, age 39, is a secretary. She spends most of her working day at a desk. Recently she has complained of feeling tired even though she sleeps 7-8...

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• What elements from the periodic table must we have to sustain life here on Earth?

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• What is the difference between stabilizing, distruptive and directional selection?

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• calculate the final concentration of hydroxide ions in solution at 25.0 ml of .500 M HC2H3O2 with 35.0 ml of 1.

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• Transcription factors are somtimes activated by phosphrylation as in the MAPK pathway. Please explain how this links an extracellular hormone signal...

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• 1) A 1500 car traveling at 20 suddenly runs out of gas while approaching the valley shown in a figure that looks like an inverted hump.

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• To learn to read a graph of position versus time and to calculate average velocity.

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• i just wanted to know When does a cell begin to accumulate replication machinery.When does a cell begin to accumulate cell division machinery.

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• What is the method called when you want a code to run for a fixed amount of times?

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• what is the nuclear stability with fundamental particles and the strong and nuclear forces of calcium?

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• There is a radioactive version of potassium that has a half-life of 1.3 billion years. Predict how long it will take for 100% of the potassium to...

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