Plzzz help In this activity you will complete a virtual experiment to determine how the temperature of water affect the time it takes for antacid tablets to dissolve. Read over the lab report before you begin. If you choose to conduct this experiment by setting it up at home, then please review the lab safety guide in the Course Information section before you begin. Keep in mind you may use the video in the lesson to record the reaction times. Pre-lab Questions: (10 points) questions
1. How does an increase in concentration affect a chemical reaction?

2. When temperature increases, what happens to the molecules in a chemical reaction?

3. How do we measure the average kinetic motion of molecules in a solution?​

Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.

For problems 1-3, consider a simple dc brush motor with a permanent magnet stator. with an an consider a simple dc brush motor with a permanent magnet ae supply voltage of 100 v, the no-load speed of the motor is 1000 rpm. this motor can provide a torque of 1.9 n-m at 800 rpm drawing a current of 2 a current are both zero at no load.) 1. with an armature supply voltage of 100 v, the motor is operated at 900 rpm. what is the motor torque? what is the mechanical power delivered by the motor? what is the current draw? what is the electrical power input? what is the energy efficiency of the motor? with an armature supply voltage of 100 v, the motor is operated at 1100 rpm (where it acts as a generator). what torque input is required? what mechanical power is required what current is generated? what is the electrical power generated? what is the energy efficiency of the motor acting as a generator? 2. with an armature supply voltage raised to 120 v, the motor is operated at 1000 rpm. what is the no-load speed? what is the motor torque? what is the mechanical power delivered by the motor? what is the current draw? what is the electrical power input what is the energy efficiency of the motor? 3.

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse