Calculate the change in internal energy of the system
A reaction at 2.35 atm produces 18.4 L of a gas and evolves 84.1 kJ of heat (exothermic). Calculate the change in internal energy of the system (in kJ)
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Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a =2.300 L^2 x atm/mol ^2 and b=0.0430 L/mol.
Iron reacts with oxygen in the air to produce rust, Fe2O3, according to the reaction shown below. 4 Fe + 3 O2 → 2 Fe2O3 How many moles of rust can be formed if 1.8 moles of iron are present?
A 250 gram sample of a metal is warmed from 60 °C to 85 °C when 1000 cal are added. What is the specific heat constant for the metal?
Louis Lataif posted an article on Forbes.com February 1, 2011, titled "Universities on the brink". The cost of education has increased 439% over the past 30 years, versus inflation at 106% and health care at 251%. Total student indebtedness is
You have heard that a competitor has a new product feature that will make a big difference in sales. The competitor will demonstrate the feature in a private dealer meeting at the annual trade show.
A chilled steel rod at 2.00 is placed in the water. If the final temperature of the system is 21.4 , what is the mass of the steel bar?
Between ages 7 and 11, many of the restrictions of earlier patterns disappear and children can think in sophisticated ways as long as what they are thinking about is tangibly represented. Piaget calls this stage?
A swimmer slides freely from rest from the top of a water slide and reaches the bottom with a horizontal speed. He hits the water 4.6 meters from the slide 0.8 second later. Find the length of the slide.
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
Problem: An infant with known congenital heart disease presents with weight loss, tachypnea, and hepatomegaly.
For a research topic on evaluating the access to health services for commercial sex workers as a mixed method approach provide the methodology
The healthcare provider ordered a urine culture for a client. Which item would a nurse need for a urine specimen collection from an existing indwelling
The nurse practitioner (NP) evaluates a client with complaints of a burning sensation in the chest that often occurs after meals and is exacerbated
I am writing a dissertation topic on the utility of community based interventions in post exposure support to survivors of IPV in uMzingwane district
A 12-month-old child presents with fever of 100.9, lethargy, vomiting and tachypnea. The history is significant for recent hand-foot-mouth disease infection.