All Questions

A solvus line separates?

A solvus line separates which of the following phase fields?a. It separates the liquid and liquid + α regions. b. It separates the α and liquid + α regions. c. It separates the α and α + β regions. d....

A solution with [ OH-] of 5 x 10-3 has a pH of ________.?

A solution with a pH of 4 is?

extremely acidic moderately acidic neutral slightly basic extremely basic

A solid white line on the right edge of the highway slants in towards your left. That shows what?

A) Their is an intersection just aheadB) you are approaching a construction areac)you will be required to turn left just aheadd) the road will get narrower

A small percentage of the people who use antihistamines develop heart rhythm. answers below?

a true b false

A small car is pushing a large truck. they are speeding up.

A small car is pushing a large truck. They are speeding up.Is the force of the truck on the car larger than, smaller than, or equal to the force of the car on the truck?1)The force of the truck on the...

A small ball rolls around a horizontal circle at height y inside the cone shown in Figure P7.40. Find an expre?

A small ball rolls around a horizontal circle at height y inside the cone. Find an expression of the ball’s speed in terms of y and g only.a- the radius of the coneh- the height of the cone y- the hei...

A slightly bruised apple will rot extensively in about 4 days at room temperature (20 degrees C). If it is kept in the refrigerator

A slightly bruised apple will rot extensively in about 4 days at room temperature (20 degrees C). If it is kept in the refrigerator at 0 degress C, the same extent of rotting takes about 16 days. What...

A sexually reproducing animal has two unlinked genes, one for head shape (H) and one for tail length (T). Its genotype is HhTt. Which

A sexually reproducing animal has two unlinked genes, one for head shape (H) and one for tail length (T). Its genotype is HhTt. Which of the following genotypes for these two genes is possible in a ga...

“A server-side error has occured.” in osu, can someone help?

Well my brother uses a mac and when he tries to log in to osu, it says "A server-side error has occured." We have no idea what that means or what to do.

A series RLC circuit has a 200 kHz resonance frequency.?

What is the resonance frequency if the capacitor value is doubled?

A scuba diver’s tank contains 0.29kg of O2 compressed into of 2.3L,?

a) calculate the gas pressure inside the tank at 9 celsiusb)what volume would this oxygen occupy at 26 celsius and 0.95 atmplz show work and how

A scientist who finds and analyzes ancient artifacts is?

A scientific theory is an explanation that?

Has been published in a journal or book by well known scientist.Predicts what will happen every time an event happens.Has been tested again and again by many observations from many scientist.OrA scien...

A sample of nitrogen gas at 224 kPa and 24°C has a volume of 14.4 L. What is the volume at STP conditions?

using the combined Gas Law

A sample of N2O gas has a density of 2.90 g/L at 298 K. What must be the pressure of the gas (in mmHg)?

Ideal Gas Laws

A sample of hydrogen gas has a volume of 8.22 L at a temperature of 22°C and a pressure of 3.5 atm.?

Calculate the grams of hydrogen gas present in this gas sample. AnswerIncorrect g

A room with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘C and 1.00 atm. The molar mass of oxygen is 32.0 g/mol.?

How many moles noxygen of oxygen are required to fill the room?What is the mass moxygen of this oxygen?

A roller coaster moves 200 ft horizontally, then rises 135 ft at an angle of 30.0° above the horizontal. ?

Next, it travels 135 ft at an angle of 40.0° below the horizontal. Use graphical techniques to find the roller coaster’s displacement from its starting point at the end of this movement

A rod is bent into an L shape and attached at one point to a pivot. (Figure 1) The rod sits on a frictionless?

A rod is bent into an L shape and attached at one point to a pivot. (Figure 1) The rod sits on a frictionless table and the diagram is a view from above. This means that gravity can be ignored for thi...

A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bold falls off the?

A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the rocket. The bolt hits the ground 6.0s later. What was the rockets acceleration...

a rigid tank whose volume is unknown is divided into two parts by a partition. THERMODYNAMICS HELP!!!!?

One side of the tank contains an ideal gas at 927 degrees Celsius. The other side is evacuated and has a volume twice the size of the part containing the gas. The partitions is now removed and the gas...

A rigid container of O2 has a pressure of 340 kPa at a temperature of 713 K. What is the pressure at 273?

A rigid container of O2 has a pressure of 340 kPa at a temperature of 713 K. What is the pressure at 273 K? Show your work.Please help me with this question. I don’t know how to answer it. Thanks. Sho...

A relationship can be damaged by?

A relationship can be damaged byA. people spending time with one another.B. not meeting expectations.C. honest communication. D. trust.

A rectangular pyramid fits exactly on top of a rectangular prism. The prism has length 15 cm, width 5 cm, and height 7 cm, and the

D.

A recipe needs a ratio of 2 : 5 of sugar to flour. If Joe uses 60g of sugar, how much flour should he use?

A rapidly spinning paddle wheel raises the temperature of 200mL of water …?

A rapidly spinning paddle wheel raises the temperature of 200mL of water from 21 degrees Celsius to 25 degrees. How much a) work is done and b) heat is transferred in this process?

A radio telescope has a parabolic surface as shown below. If the telescope is 1 m deep and 12 m wide, how far is the focus from the vertex?

a question regarding torque in a magnetism setting?

so i know IABsintheta = Tau is going to come into play in the problem, but i dont know exactly how to go about doing this... if someone could walk me through that would be great.http://session.masteri...

A question for bike riders, How come the back wheel is always following the front one, Is that odd or what. ?

A question about the movie “The Roommate”?

Why do Nina Dobrev and Leighton Meester not like each other in the movie? I mean Rebecca (Meester) drew Maria (Dobrev) in high school and then when Sara is with her they have an awkward meeting. What...

A question about the “Amadeus” skit from Family Guy.?

The part where Peter says "Go ahead, mock me! But it wasn't Stewie laughing at me...it was God!", as he's having his heart attack at the end, what is that snippet of music that's playing? I've heard i...

A propeller is modeled as five identical uniform rods extending radially from its axis. The length and mass..?

of each rod are 0.757 m and 2.63 kg, respectively. When the propellor rotates at 529 rpm (revolutions per minute), what is its rotational kinetic energy?

A process which is unfavorable with respect to enthalpy, but favorable with respect to entropy?

A process which is unfavorable with respect to enthalpy, but favorable with respect to entropy, could occur at a high temp but not a low temp, OR could occur at a low temp but not a hight temp?

A process flowchart uses symbols to represent which of the following?

Factory locationB. Warehouse space availableC. Work force schedulesD. Flows of material or customers E. Data analysis

A private college report contains these statistics:

A private college report contains these statistics:70% of incoming freshmen attended public schools.75% of public school students who enroll as freshmen eventually graduate90% of other freshmen eventu...

A primary rainbow is brighter than a secondary rainbow because?

A primary rainbow is brighter than a secondary rainbow because a. sunlight reaching it is more intense. b. there is one less reflection inside the water drops. c. larger drops produce primary rainbows...

A potter is shaping a bowl on a potter’s wheel rotating at constant angular speed. The friction…?

A potter is shaping a bowl on a potter's wheel rotating at constant angular speed. The friction force between her hands and the clay is 1.5N total. a.) How large is her torque on the wheel, if the dia...

A playground merry-go-round has radius 2.60 m…?

A playground merry-go-round has radius 2.60 m and moment of inertia 2300 kg*m^2 about a vertical axle through its center, and it turns with negligible friction.(a) A child applies an 23.0 N force tang...

a pitcher throws a ball, what is work in physics?

A pitcher throws a ball at 90 mph and the catcher stops it in her glovea. Is the work done on the ball by the pitcher positive, negative, or zero?b. Is the work done on the ball by the catcher positiv...

A person who carries out or manages affairs is what?

A person learning a new language as an adult goes through a process called?

A person drops a cylindrical steel bar (Y = 1.00 × 1011 Pa) from a height of 1.30 m (distance between the floo?

A person drops a cylindrical steel bar (Y = 1.00 × 1011 Pa) from a height of 1.30 m (distance between the floor and the bottom of the vertically oriented bar). The bar, of length L = 0.95 m, radius R...

A person bending forward to lift a load “with his back” rather than “with his knees”

A person bending forward to lift a load "with his back" rather than "with his knees" can be injured by large forces exerted on the muscles and vertebrae. The spine pivots mainly at the fifth lumbar ve...

A peregrine falcon dives at a pigeon. The falcon starts downward from rest with free-fall acceleration.?

if the pigeon is 76.0m below the initial position of the falcon, how long does it takes to reach the pigeon? assume that the pigeon remains at rest.please answer the fastes possible this is due tomorr...

A pencil and a ruler cost $1.50 together. The ruler costs $1.00 more than the pencil. How much does the pencil?

A parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 2.55 uC?

A parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 2.55 uCWhat is the potential difference between the plates? If the charge is kept constant, what will be the pot...

A parallel-place capacitor is formed from two 4.0 cm x 4.0 cm electrodes spaced 2.0 mm apart.?

a parallel-plate capacitor is formed from two 4.0 cm x 4.0 cm electrodes spaced 2.0 mm apart. the electric field strength inside the capacitor is 1.0 x 10^6 n/c. what is the charge (in nC) on each ele...

A painter earns $15 per hour what is the minimum number of hours he must work to earn at least $200?

How do I write an inequality to represent this situation and solve?

A number with six letters?

Can you please think of a number that has six letters in it?(for example: eleven)