# PAT

Popular questions and responses by PAT
1. ## Chemistry

A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure of cyclopropane in the mixture is 334 mmHg and the partial pressure of the oxygen is 1.02 atm, what is the total pressure of the mixture in torr?

2. ## Physics

A man weighing 700 N lifts a 50.0 N object 2.0 m high. He uses a lever and with a force of 10.0 N. What is the resistance force

3. ## Physics

Explain why a rapidly spinning gyroscope, mounted in a frame that allows it to rotate in any direction independently of the frame’s rotation, tends to maintain its axis pointed in the same direction in space.

4. ## Physics

A 5.0 µC point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the electric potential difference before and after the charge was moved? Show work. (µC = 1.0 × 10–6 Vq=energy so delta V must be 10

5. ## Physics

A 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. Find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earth’s velocity. Earth’s mass is 6.0 × 1024 kg. Show

6. ## Chemistry 2

A mixture containing KCLO3, K2CO3, KHCO3, and KCL was heated, producing CO2, O2, and H2O (water) gases according following equations: 2KCLO3 -> 2KCL + O2 2KHCO3 -> K2O + H2O + 2CO2 2CO3 -> K2O + CO2 The KCL does not reacnder the conditions of the reaction.

7. ## Physics

You have a 2.00 kg block of lead. Lead melts at 327.5°C. CPb = 130.0 , and ï„Hf for lead is 2.04 Ã— 104 J/kg. Say you start at room temperature (25.0°C). How much heat must you transfer to melt all the lead?

8. ## Physics

Cheryl runs a race on a 400.0 m circular track. She starts running east of the starting line and then circles the track and falls, stopping 1.00 m west of the starting line. Her time is 80.0 s. What was her average velocity? I know the correct answer is

24. ## Criminal Justice/Writing Search Warrants

When writing the description for the property you are going to search for, the description must be detailed: A. so the average person can distinguish among similar objects in the search. B. so that only the magistrate and investigator can discern the

25. ## Physics

The strength of an electric field at 5.0 cm from a point charge is 100.0 N/C. What is the magnitude of the source charge? Show work so I understand how to do it.

26. ## Physics

each resistor in the circuit shown is 5.0 Ù, and the battery is 12.0 V, what does the second ammeter (A2) read?

27. ## physics

A 23- bullet traveling 230 penetrates a 3.6 block of wood and emerges cleanly at 170 . If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?

28. ## algebra

A pharmacist has 40% and 60% iodine solutions on hand. How many liters of each iodine solution will be required to produce 6 liters of 50% iodine mixture?

72. ## Criminal Justice/Corrections

Which of the following is a recurring theme throughout the history of penology? A. Enlightenment B. Compassion C. Deterrence D. Overcrowding I think it's C, but not too sure.

73. ## math

A conical water tank with vertex down has a radius of 13 feet at the top and is 28 feet high. If water flows into the tank at a rate of 10 {\rm ft}^3{\rm /min}, how fast is the depth of the water increasing when the water is 17 feet deep?

i need help on this problem. 132,164,569 round to the nearest million? 179,323,175 round to the nearest million? thanks!

75. ## Physics

The minimum frequency for the photoelectric effect of a zinc plate is 9.7 × 1014 Hz. What will be the kinetic energy of an ejected electron when a photon with a wavelength 200 nm (2.00 × 10 7 m) strikes it?

76. ## Chem

What is the change in enthalpy when 250 g of steam condenses at 100oC? (Hv = 40.67 kJ/mol)

77. ## Math

How many times in a 12 hour period does the sum of the digits on a digital clock equal 6? (For example. 1:32 = 1+3+2 = 6

78. ## math

A street light is at the top of a 15 ft pole. A 5 ft tall girl walks along a straight path away from the pole with a speed of 5 ft/sec. (A)At what rate is the tip of her shadow moving away from the light (ie. away from the top of the pole) when the girl is

79. ## Art History

Which is the inspiration for the Farnese ceiling? A. Michelangelo’s Sistine Ceiling B. Bernini’s Cornaro Chapel C. Gaulli’s frescoes in Il Gesu D. Mantegna’s Camera Picta I think it's A, but not certain

80. ## Criminal Justice/White Collar Crime

Certain industries are distinguished by means and opportunities that are conducive to crime. These factors include all of the following EXCEPT: A. large amounts of money changing hands. B. individual decision-making. C. public attention on business

98. ## algebra

graph the function f(x)=ãx-2 graph the function leftmost point and three additional points

99. ## Art History

According to Robert Venturi, what is wrong with the International Style of architecture? A. It is too heterogeneous. B. It is too complex. C. It is too contradictory. D. It is too inflexible. My textbook says is A, B, and C. So I am totally confused

100. ## American Constitutional Law

The final authority to determine the winner of a closely contested election in the House of Representatives is determined by the: A. Supreme Court B. State where election was held C. Senate D. House of Representatives I am stumped on this one. My textbook