Science Homework Answers & Questions Page 781

• a masss is measured as 6.2kg in one experiment and 6.20kg in an another experiment.

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• q1=49, q2=58 y=447mm, x=271 mm what is the potential from a to b?

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• The figure below shows the horizontal forces acting on a sailboat moving north at constant velocity, seen from a point straight above its mast.

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• Calculate the mass in (g) of AgCl lost in chloride analysis as a result of washing the silver chloride with 122ml of water at room temperature. Note

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• 25-kg ball of clay is thrown downward from a height of 2.79 m with a speed of 4.41 m/s onto a spring with k=1530 N/m.

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• When a high-speed passenger train traveling at 101 km/h rounds a bend, the engineer is shocked to see that a locomotive has improperly entered onto

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• Expalin how to determine the identity of an unknown hydrate?

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• In the circuit shown in the figure , the 33{\rm{ - }}\Omega resistor dissipates 0.50 W.What is the battery voltage?

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• which is the most stable geometric isomer of dibenzalacetone and why?

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• When a solution is made from 1.0 g of KI and 0.090 L of water, what is its molarity?

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• A flat (unbanked) curve on a highway has a radius of 230.0 . A car rounds the curve at a speed of 28.0 .What is the minimum coefficient of friction

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• Two blocks, A and B (with mass 50 kg and 100 kg, respectively), are connected by a string, as shown in Figure P5. The pulley is frictionless and of...

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• Identify each of the three domains of life and list the major characteristics of each.

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• Two tuning forks produce sounds of wavelengths 3.4 meters and 3.3 meters. Approximately what beat frequency is produced?

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• carbon disulfide (s) + chlorine (g) -gt; carbon tetrachloride (l) + sulfur dichloride (s)equcation?

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• How much power must you exert to horizontally drag a 20.0kg table 14.0m across a brick floor in 40.

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• A professor walks in a long hall carrying a vibrating 512 Hz tuning fork. The end of the hall is closed so that sound reflects from it. The student...

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• Three factors that affect plant growth are soil health, nitrogen fixation, and sunlight. Explain how each factor works to effect the growth of plants....

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• Oxygen makes up 46.7(%) by mass of Earth's crust. How many grams of oxygen are present if a sample of Earth's crust has a mass of 328\({\rm g}\)g ?

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• An inductor with a 2.7 A current stores energy. At what current will the stored energy be twice as large?

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• I'm stuck on this problem: Suppose you had two small boxes, each containing 1.00 g of protons.

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• lectrons in the He + ion and the hydrogen atom are E n (H) = - a / n 2 and E n (He + ) = -4 a / n 2 Which of the following statements is(are) correct?...

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• The practice of nursing is deeply rooted in nursing knowledge, and nursing knowledge is generated and disseminated through reading, using, and...

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• Which of the following represent human- environment interaction with a river ?

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• A vaulter holds a 29.2-N pole in equilibrium by exerting an upward force with her leading hand and a downward force with her trailing hand as shown...

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• The decomposition of NI 3 to form N 2 and I 2 releases 290.0 kJ of energy. The reaction can be represented as2NI 3 (s)N 2 (g)+3I 2 (g), H rxn =290.0...

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• What is the solubility of silver chloride (in g/l) (ksp=1.6x10^10) in a 6.

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• When a nonideal 1.9 H inductor is short-circuited, its magnetic energy drops to one-fourth of its original value in 3.

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• A car drives horizontally off a 86 {\rm m}-high cliff at a speed of 31 {\rm m}/{\rm s}. Ignore air resistance.

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• Mg3N2(s) + 6H2O(l) 3Mg(OH)2(s) + 2NH3(g) How many grams of H2O are needed to produce 150 g of Mg(OH)2?

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• According to the latest hypotheses, why do evergreens predominate in cold environments?

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• x Points:0 Discuss what is meant by mixed-methods designs . What are the limitations of mixed-methods designs.

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• The elevation difference between two point is 400m and the distance is 8km . Then, calculate the slope between two point.

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• what evidence supports the idea that DNA cold have naturally formed early in earth's history?

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• Mature cardiac cells remain metabolically active but do not proliferate. This type of arrest is known as the _________. G1 Phase B. S Phase C. G2...

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• I need with this dietary analysis project. I have to balance out a 2400 calorie intake while keeping my food groups at a minimum of 100 percent?

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• water? what type of solution is bronze? what type of solution is coconut wine? what type of solution is vinegar? what type of solution is fish sauce?...

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• Imagine that you are conducting an activity with a laser to create an interference pattern.

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• Upon using Thomas Young's double-slit experiment to obtain measurements, the following data were obtained.

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• On a frictionless table, a glob of clay of mass 0.64 kg strikes a bar of mass 0.80 kg perpendicularly at a point 0.41 m from the center of the bar...

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• Exciting another neuron will increase the chances of what in the second neuron

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• how many milliliters of .45M hydrochloric acid must be added to 25.0 mL of 1.00 M potassium hydroxide to make a neutral solution?

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• 4. Knowing that a factory discharges a dangerous chemical into the air or water does not necessarily prevent the factory from continuing to discharge...

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• I just need answer for questions in this assignments All you will need is a large balloon and a pen or marker. Blow the balloon up so that it is

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• Suppose you are 90 cm from a plane mirror. What area of the mirror is used to reflect the rays entering one eye from a point on the tip of your nose...

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• nurse is caring for a client who is receiving penicillin by intermittent IV bolus. The client develops wheezing, dyspnea, cyanosis, and tachycardia.

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• a 430-g soccer ball at rest on the ground is kicked with a force of 600 n and flies off at 15 m/s. How long was the toe of the person who kicked the

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• 24.what is the molarity of a kf(aq) solution containing 116g of KF in 1.00 L of solution? 25.What is the molarity of an H2SO4 solution if .25L os the...

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• An object with a mass of 61.0 g displaces 202.5 ml of water when it is completely immersed. What is the buoyant force on the mass?

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• Imagine that a sample of sediments are cemented together to form a sedimentary rock. Then, that rock is heated and compressed into a metamorphic rock....

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