Author: Anonymous

A) The label on a certain small appliance states that the appliance carries a current of 5.00 A when connected to a source of 120 V. What is the resistance of the appliance? (5 points)   B) A tungsten wire has a cold resistance of 0.350 Ω at 20o C. If the temperature is increased from room temperature ( 20oC ) to  2000o C , what is the resistance of the wire? Temperature coefficient of resistivity for Tungsten is 4.5×10−3/oC   (5 points)   C) What is the resistance of a 15.0 m long piece of 12-guage copper wire having a 3.50 mm diameter? Resistivity of copper is 1.72 x 10-8 Ohm meter. (5 points)   D) How much power is dissipated in a short circuit of 240 V AC through a resistance of 0.750 Ohms? (5 points)   E) An electric water heater consumes 6.00 kW for 3.00 hours per day. What is the cost of running it for 30 days if electricity costs 12.0 cents/kW.h ? (5 points)

Which statement is correct regarding the isotope shown below?                                            

Which of the following salts are correctly named?      i. Na2SO4 ; sodium sulfate     ii. K3N ; tri potassium nitride     iii. Fe3(PO3)2 ; iron(II) phosphite

When temperatures are 70 degrees or above, concrete should cure for at least ____.

Although it is important that ozone, O3(g) be found in the upper atmosphere, it is a pollutant at ground level. The EPA measures ozonecontent in air with the following reaction. O3 (g) + 2 NaI (aq) + H2O (l) → O2(g) + I2(aq) + 2 NaOH (aq) How much sodium iodide would be needed to remove 1.362 g of ozone from an air sample?

According to coding guidelines for Chapter 18 of ICD-10-CM, how many NIHSS stroke scale codes should be assigned at a minimum?

To provide a lock between the footing and the foundation, a ____.

Main terms are entries printed in boldface type and flush with the left margin of each column in the Alphabetic Index.

What is the enthalpy change, ∆H°, for the reaction shown below. Compound ∆H°f (kJ/mol) CH3OH (l) -239.0 CO2 (g) – 393.5 H2O(l) – 285.8   2 CH3OH (l) + 3 O2 (g) –> 2 CO2 (g) + 4 H2O (l)   

In the image below, numbers label the aspects of this organism (dorsal, ventral, anterior, posterior) and numbers label the anatomical parts. Please match the letter or number with the appropriate label below.