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• a sample of gas is enclosed in a container of fixed volume. identify which of the following statements are true. check all that apply. if the container is heated, the gas particles will lose kinetic energy and temperature will increase. if the container is cooled, the gas particles will lose kinetic energy and temperature will decrease. if the gas particles move more quickly, they will collide more frequently with the walls of the container and pressure will increase. if the gas particles move more quickly, they will lose energy more rapidly and collide with the walls of the container less often, and pressure will decrease. if the gas particles move more quickly, they will collide with the walls of the container more often and with more force, and pressure will increase.
  
• which of the following best describes the circular flow model? the model represents the movement of money throughout the economy. the model represents the interactions within sectors. the model represents the flow of goods and services between sectors. the model represents the changing relationships between actors.
  
• an office printer printed an 18-page report in 2 3 of a minute. what is its print speed?
  
• if 12 mol of lithium were reacted with excess nitrogen gas, how many moles of lithium nitride would be produced? 4.0 mol 6.0 mol 12 mol 36 mol
  
• to eliminate the y terms and solve for x in the fewest steps, by which constants should the equations be multiplied by before adding the equations together? first equation: 4x − 3y = 34 second equation: 3x + 2y = 17 the first equation should be multiplied by 2 and the second equation by 3. the first equation should be multiplied by 2 and the second equation by −3. the first equation should be multiplied by 3 and the second equation by 4. the first equation should be multiplied by 3 and the second equation by −4.
  
• problem: construct a triangle with interior angle measures of 60° and 75°. what is the measure of the third angle? 30° 45° 48° 50°
  
• a 3.0 cm object is 12.0 cm from a convex mirror that has a focal length of 20.0 cm. what is the distance of the image from the mirror? cm what is the height of the image? cm
  
• select all that apply. a coin is flipped and a number cube is rolled. which of the following are true? the sample space has 12 different outcomes. each result is equally likely. the sample space has 8 different outcomes. heads and an even number are very likely.
  
• kuba king mbop mabiinc mambeky in the democratic republic of the congo. the king wears traditional african clothes and jewelry. what african method of demonstrating status can be seen in the image above?
  
• in general, americans with high incomes vote at the same rate as any other income group. a lower rate than any other income group. a higher rate than those earning less money. a lower rate than those earning less money.