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cristina cruz

cristina c.

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Anode (positive electrode) Cathode (negative electrode) Battery The behaviors of four different solutes when dissolved in water are indicated by the four equations below. Match each of the resulting solutions to its expected behavior in a conductance apparatus like the one shown to the left, if the solute is present at a concentration of 0.2 M. $HC_9H_7O_4(aq) + H_2O(l) \rightleftharpoons H_3O^+(aq) + C_9H_7O_4^-(aq)$ Would produce a bright light. $HNO_3(l) + H_2O(l) \rightarrow H_3O^+(aq) + NO_3^-(aq)$ Would produce a dim light. $Ca(NO_3)_2(s) \xrightarrow{H_2O} Ca^{2+}(aq) + 2NO_3^-(aq)$ Would not cause the bulb to light. $C_3H_5(OH)_3(l) \xrightarrow{H_2O} C_3H_5(OH)_3(aq)$ Would produce a bright light.

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In an explosion, Group of answer choices visible kinetic energy is not conserved visible kinetic energy remains the same visible kinetic energy decreases visible kinetic energy is conserved Group of answer choices speed of the rocket and acceleration of the rocket rocket velocity direction and centripetal acceleration time of flight of the rocket and fuel burnt velocity of the rocket and mass of fuel burned

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What is web content that is created and updated by many users for many users? Question 35 options: A) user-contributed content B) customer generated content C) cybermediation contributed content D) executive generated content

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Up until the end of October, Nancy, who works for CDE Company had contributed a total El premiums of $900. Assuming that her November monthly salary is $6,000, how much does she have to contribute for November? Note the maximum annual premium is $952.74 $84.00 $342.00 $94.80 $52.74

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A technique in which rewards or punishments are used to alter or change a person’s behavior is: Group of answer choices behavior profiling. positive modification. a reward system. behavior modification.

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Question 4 (1 point) What is the term meaning a tumor of skeletal muscle cells (or fibers)? lipoma sarcoma melanoma myoma

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1 There are 60 light bulbs of which 10 are faulty. 7 bulbs are chosen at random, without replacement. Find the probability that 3 of these are faulty.

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What is the main function of the thalamus? A. relays sensory information to the cerebral cortex B. regulates emotional behaviors and basic biological needs C. plays an important role in regulating emotion and memory D. acts as a bridge between the medulla and other structures

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Demand for a certain item is given by D(p)=41-0.6p^(2) million units at a price of $p per unit. Locate the point (price) of unit elasticity. (Hint: You need to solve -1=(p*D^(')(p))/(D(p)) for p. You can use SOLVER to do this too.) Round your answer to two decimal places, and do not include the units (dollars per unit). Demand for a certain item is given by D(p)=41--0.6p2 million units at a price of $p per unit Locate the point(price).of unit elasticity. p.D'(p) for p.You can use SOLVER to do this too.) D(p) Round your answer to two decimal places,and do not include the units(dollars per unit)

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Which of the following properties is impact strength indicative of? a) Elasticity b) Hardness c) Stiffness d) Toughness

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