Problem 5.135 An insulated 0.15-m3 tank contains helium at 3 MPa and 130°C. A valve is now opened, allowing some helium to escape. The valve is closed when one-half of the initial mass has escaped. Determine the final temperature and pressure in the tank.

Use the IS-LM model to explain and show how the level of income and the rate of interest are affected by each of the following changes in a closed economy respectively:

(a)    An autonomous decline in investment spending.   

(b)    An increase in money supply.   

(c)    An increase in government expenditure financed by an equal amount in taxes.

Amy has been involved in a mass casualty event. She has a grade I concussion, periorbital injury, and closed fracture of a right lower extremity. What survival potential level should the nurse assign Amy during triage? Provide a rationale for your answer.

1. Could a closed-end investment company sell for a discount from net asset value, but a mutual fund cannot sell for a discount? To answer this question you should differentiate a real estate investment trust (REIT) from a firm involved in building, developing, and owning properties .

Dell had its management buyout in 2013. Dell, as a private company, acquired EMC, a publicly listed company, for $67 billion; the deal closed in September 2017. What are the synergy benefits and challenges for Dell and EMC since this acquisition? (List all 5 benefits and challenges)

Let A be a set of real numbers. We say that A is an open set if for every x₀ ∈ A there is some δ > 0 (which might depend on x₀) such that (x₀ − δ, x₀ + δ) ⊆ A. Show that a set B of real numbers is closed if and only if B is the complement of some open set A

Create a un-order list that displays each day of the week with corresponding office hours.
Set M-F for 9-5pm, Sat 10-2pm, Sun -closed. Use 3 spaces between the day and time.

     Example: Monday [3 spaces] 9am – 5pm

Spiders have what kind of circulation?

A. Closed circulation with blood vessels

B. Intermediate circulation with some vessels and some areas where the fluid moves directly around tissues

C. Open circulation with fluid bathing all organs and tissues

D. None of the above

XYZ purchased $100,000 equity interest in Z-Tech, Inc, on January 1, 2020. On November 30. 2020, Z-Tech paid dividends of $3,000 to XYZ. At December 31, 2020, XYZ's holdings in Z-Tech is valued at $101,000. Prepare the entries necessary to record (1) the purchase of the investment, (2) the receipt of dividends and (3) year-end adjusting entry assuming that XYZ uses the Available for Sale method to account for this investment.

The following information for 2020 relates to Will, a single taxpayer, age 18: wages - 9,500; taxable interest income - 10,600; itemized deductions - 1,500. Compute Will's tax liability for 2020 assuming he is self-supporting. Compute Will's tax liability for 2020 assuming he is dependent of his parents and they support him entirely (his earned income is NOT more than 50% of his support). His parents marginal tax rate is 22% ​