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Task 1 concerns exploring the thermochromic behavior of cobalt chloride ethanol solutions (CoCl2(EtOH)3) with methanol (MeOH). You are to prepare ratios of CoCl2(EtOH)3 to MeOH between 3:1 to 6:1. The total volume of each prepared ratio must be 4.00 mL. In this course tables must be well-organized, properly titled/labeled and have entries with correct units and reasonable sig figs. Please remember this for all future lab work
A child of mass 50 kg rides on a carousel and his wooden horse travels in a circle at a steady speed of 5 m s. What is the direction of the acceleration
A tube is sealed at both ends and contains a 0.0100-m longportion of liquid. The length of the tube is larger compared to0.0100-m. Find the angular speed (in rad/s) of the tube
Two spaceships approach Earth with equal speeds, as measured by an observer on Earth, but from opposite directions. A meterstick on one spaceship is measured to be 60 cm long by an occupant of the other spaceship. What is the speed of each spaceship,..
You are designing a lathe motor, part of which consists of auniform cylinder whose mass is 90 kg and whose radius is 0.40 mthat is mounted so that it turns without friction on its axis,which is fixed. The cylinder is driven by a belt that wraps ar..
two large parallel conducting plates are 21 cm apart and have charges of equal magnitude and opposite sign on their
A parallel-plate capacitor with a 3.0mm plate separation is charged to 71V. With what kinetic energy, in eV, must a proton be launched from the negative plate if it is just barely able to reach the positive plate
A solid block is attached to a spring scale. When the block is suspended in air, the scale reads 23.3 Newton; when it is completely immersed in water, the scale reads 16.8 Newton. Estimate what is the density of the block
An air-filled parallel-plate capacitor has plates of area 2.70 cm2 separated by 2.00 mm. The capacitor is connected to a 18.0-V battery. What is the magnitude of the uniform electric field between the plates
A yo-yo has a rotational inertia of 930 gcm2 and amass of 110 g. Its axle radius is2.9 mm, and its string is 130 cm long. What is the magnitude of its linear acceleration
An 2400W arc welder is connected to a 660?Vrms ac line, Calculate the peak voltage and Calculate the peak current
On a cold day, a heat pump absorbs heat from the outside air at 14°F (-10°C) and transfers it into a home at a temperature of 86°F (30°C)
George and Martha are at a NASCAR race and as the race car made theturn to their right and rushed towards them the frequency theyheard was F0 = G5 or 821 Hz. what is the velocity of the race car
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