-
An unknown metal weighing 13.11 g at a temperature of 81.0*C is placed in a calorimeter containing 25.0 mL of water at a temperature of 25. The final...
-
A region periodically experiences ample rainfall and ideal temperatures. If the population also experiences little disease at that time, the region...
-
Oxygen gas and pure potassium chloride are added to a beaker of distilled water. As the temperature of the water is decreased, a. the solubility of...
$20.00
Science
Waiting for answer
-
Iron(III) sulfate is used as a coagulant for industrial waste. What is the dissociation equation and calculate the concentration of the solute needed...
-
Scientific research about how disruptions of the carbon and nitrogen cycles affect people will be least valuable if the results:are inconclusive but...
$50.00
Science
Waiting for answer
-
I need to find the molarity of acetic acid in a hot sauce packet I used for an acid-base titration lab. The first equivalence point happened at 5.
$35.00
Science
Waiting for answer
-
Smokers FA08 6500 6000 5500 VC (ml) 5000 4500 4000 3500 3000 2500 155 160 165 170 175 Hight (cm) 180 185 190 190 Non Smoker FA08 5500 5000 VC (ml)
-
It is often a useful approximation to treat a nucleus as a uniformly charged sphere of radius R and charge Q.
$15.00
Science
Waiting for answer
-
I am having trouble understanding magnitude of force.
-
It has been reported that the purple flower color in one species of the Japanese morning glory may be caused by dominant alleles at either one of two...
-
A thick spherical shell of charge Q and uniform volume charge density is bounded by radii r1 and r2 gt; r1.
$15.00
Science
Waiting for answer
-
(i) Assume that the binding energy is equivalent to the electrical potential energy for an atom. If the nitrogen gas molecule (N2) has a separation...
$35.00
Science
Waiting for answer
-
0 W toy motor is connected to a secondary circuit of a transformer with 60 loops and a current of 0. the primary voltage is 120 V. How do i determine...
-
1- Sodium sulfate is a compound used in many soap or detergent products. Calculate the number of moles of solute needed to make 85.0 mL of 2.22 mol/L...
-
For the reaction A(aq) ---gt; B(aq) the change in the standard free enthalpy is 3.12 kJ at 25 degrees Celsius and 5.50 kJ at 45 degrees Celsius.
-
Mercury is poured into a tall glass. Ethyl alcohol (which does not mix with mercury) is then poured on top of the mercury until the height of the...
$10.00
Science
Waiting for answer
-
A student measured the volume of a sample of air at different temperatures. All measurements were taken at 1 atm. The observations were recorded in a...
-
) One step in production of HNO 3 (aq) occurs at a temperature of 850 degrees celsius. This temperature corresponds to a Kelvin temperature of...
-
Octane is a highly volatile and flammable substance that is a component of gasoline. The boiling point of liquid octane is approximately 125 degrees...
-
A laser beam enters a 19.5 cm thick glass window at an angle of 49.0 degrees (from the normal). The index of refraction of the glass is 1.
-
43 Uranium is distributed in a form called yellow cake, which is made from uranium ore.
-
Methane is burned in a complete combustion reaction. CH 4 (g) + 2 O 2 (g) -----gt; CO 2 (g) + 2 H 2 O What volume of water vapor is produced when 56....
-
A scientist isolates 2.366g of a gas. The sample occupies a volume of 800.0 mL at 78.00 degrees celsius and 103.0 kPa . If the scientist uses the
$15.00
Science
Waiting for answer
-
Suppose that the mercury in a barometer were replaced by a liquid metal alloy with a density of 4.36 g/cm^3. The density of mercury is 13.6 g/cm^3.
-
A neon sign made of glass tubing whose inside diameter is 2.0 cm and whose length is 4. If the sign contains neon at a pressure of 1.
-
Saturated solutions are often prepared by bubbling a gas through water. At 298 K and 1 atm, SO 2 is bubbled through H 2 O to form a saturated...
$50.00
Science
Waiting for answer
-
Visual Tech is considering marketing one of two new video games for the coming holiday season: Battle Pacific or Space Pirates. Battle Pacific is a...
-
0-g block carrying a charge Q= 35.0 micro-C is connected to a spring for which k=78.
$20.00
Science
Waiting for answer
-
An AC adapter for a telephone-answering unit uses a transformer to reduce the line voltage of 120 V (rms) to a voltage of 110 V. The rms current...
-
Science Meets Real Life Each and every day, you are faced with having to make split-second decisions, and the need to solve random problems that you...
-
rotein X in a mixture of 100 proteins (you have sequence information on that protein and an antibody) which ONE of the following methods will you use?...
-
I've just received my ICD 10 CM code book and it came with ready made tabs.
-
Hi I am trying to find a 3 good nursing diagnoses for a patient experiencing an acute exacerbation of heart failure.
-
Iron tower is 325 meters tall on a cold day. (T= -6.3 degrees Celcius). What is the final height (total) of the tower on a hot day when the
-
FORESTS amp;amp; DEFORESTATION Forests are biomes dominated by trees. Their location and characteristics are influenced by temperature and...
-
Below is a graph of the potential as a function of time for a discharging capacitor. What is the time constant for this decay process?
$35.00
Science
Waiting for answer
-
An alpha particle (m = 6.7 10-27 kg, q = +3.2 10-19 C) has a speed of 20 km/s at point A and moves to point B where it momentarily stops.
$20.00
Science
Waiting for answer
-
A 30-year-old Asian female presents to the clinic with headaches. History of headaches since her teen years. Headaches have become more debilitating...
$12.00
Science
Waiting for answer
-
Ted is a 67-year-old male with no significant past medical history, except for occasional migraine headaches. He is married, has two grown children,...
-
I'm trying to make sure I am approaching this problem correctly:
$12.00
Science
Waiting for answer
-
What is the energy efficiency paradox?
-
What is the Carnot limit?
-
Consider two vectors F~ 1 and F~ 2 with magnitude F1 = 92 N and F2 = 48 N and where 1 = 189 and 2 = 294 .
-
Consider three force vectors F~ 1 with magnitude 52 N and direction 125 , F~ 2 with magnitude 92 N and direction 193 , and F~ 3 with magnitude 71 N...
-
Na 2 Cr 2 O 7 (s) major entities present Na + (aq) , Cr 2 O 7 2- (aq) , H 2 O (l) Na 2 Cr 2 O 7 (aq) , H 2 O (l) Na 2 Cr 2 O 7 (s) , H 2 O (l) Sr(
-
Cl 2 (g) major entities present Cl - ( aq) , H 2 O (l) Cl 2 (g), H 2 O (l) Na 2 Cr 2 O 7 (s) major entities present Na + (aq) , Cr 2 O 7 2- (aq) , H
-
1- Cl 2 (g) major entities present Cl - ( aq) , H 2 O (l) Cl 2 (g), H 2 O (l) 2- Na 2 Cr 2 O 7 (s) major entities present Na + (aq) , Cr 2 O 7 2-
-
Consider two vectors where F1 = 76 N , F2 = 71 N , 1 = 37 , and 2 = 72 , measured from the positive x axis with the counter-clockwise angular...
-
C 3 H 7 OH 1- choose one a) Soluble molecular compound b) Soluble ionic compound 2- Manner of dissolving :
$10.00
Science
Waiting for answer
-
Give the correct IUPAC name for the following molecule ch3 ch3ch2chchch3 ch3 Select one: 3, 4-Dimethylpentane b. 2,3-Dimethyl heptane c....