subject

Physics, 16.12.2019 22:31 brooklynvegas514

Achemist has two compounds that do not chemically react. he thinks that by finding the right catalyst, he can get them to react. why is the chemist incorrect?

ansver

Answers: 3

Show answers

Another question on Physics

question

Physics, 21.06.2019 19:30

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

Answers: 1

question

Physics, 22.06.2019 05:00

Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?

Answers: 3

question

Physics, 22.06.2019 10:10

Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?

Answers: 2

question

Physics, 22.06.2019 18:50

Avertical clean glass piezometer tube has an inside diameter of d = 1 mm and is used to measure pressure in a horizontal pipe carrying water as shown. due to pressure in the pipe, the water at 20c rises into the tube to a height h. if the water pressure in the pipe is p = 500 pa gauge, estimate the height h: (a) without considering surface tension (b) with surface tension (capillary) effects. the contact angle  can be assumed at 30 deg

Answers: 2

You know the right answer?

Achemist has two compounds that do not chemically react. he thinks that by finding the right catalys...

Questions

question

Engineering, 11.07.2019 05:10

Engine oil at 100°c and a velocity of 0.1 m/s flows over both surfaces of a 0.8-m-long flat plate maintained at 20°c. determine: (a)-the velocity and...

question

Engineering, 11.07.2019 05:10

An inventor claims to have devised a cyclical power engine that operates with a fuel whose temperature is 750 °c and radiates waste heat to a sink at...

question

Engineering, 11.07.2019 05:10

Air is compressed by a compressor from v1= 1.0 m^3/kg to v2= 0.71 m^3/kg in a reversible, isothermal process. the air temperature is maintained consta...

question

Engineering, 11.07.2019 05:10

Someone shoots an arrow upward. the arrow reaches a maximum height of 100 feet. a)-what is the initial velocity of the arrow? b)- at what time will t...

question

Engineering, 11.07.2019 05:10

What size (inner diameter) of concrete pipe (with e-0.005) is required to carry water (at 60°f) at a discharge rate of 15 ft3/s and with a head loss o...

question

Engineering, 11.07.2019 05:10

Water if flowing steadily in a 0.6-m wide rectangular open channel at a rate of 0.3 m^3/s. if the depth is 0.15 m, a)-determine i) the flow velocity,...

question

Engineering, 11.07.2019 05:10

An elevated water tower is used to supply water to a city. to make water available at a pressure of 400 kpa at a ground level location within the city...

question

Engineering, 11.07.2019 05:10

What is considered a uselapplication of modal analysis? (1) identifying the rigid body modes (2) finding modal frequencies (3) obtaining the modal am...

question

Engineering, 11.07.2019 05:10

Arefrigeration cycle rejects qn 500 btu/s to a hot reservoir at 540 r, while receiving c200 btu/s at 240°r. this refrigeration cycle a)- is internally...

question

Engineering, 11.07.2019 05:10

Acylindrical specimen of some metal alloy having an elastic modulus of 117 gpa and an original cross-sectional diameter of 3.6 mm will experience only...

question

Engineering, 11.07.2019 05:10

Arigid, insulated tank that is initially evacuated is connected through a valve to a supply line that carries steam at 3.5 mpa. now the valve is opene...

question

Engineering, 11.07.2019 05:10

Aheat pump, using ammonia as the refrigerant, has the following conditions , heat effect 75,000kj/sec , evaporator pressure 0.22mpa , condenser pressu...

question

Engineering, 11.07.2019 05:10

A2.5 cm diameter horizontal water jet with a speed of vi- 40 m/s relative to the ground is deflected by a 60° stationary cone whose base diameter is 2...

question

Engineering, 11.07.2019 05:10

For a specified inlet state, exit pressure and mass flowrate, the power input of a that of an compressor operating adiabatically and at steady state w...

question

Engineering, 11.07.2019 05:10

Asingle-cylinder four-stroke-cycle spark- ignition engine has a bsfc of 0.4 kg/kw-hr and a volumetric efficiency of 78% at a speed of 45 rps. the bore...

question

Engineering, 11.07.2019 05:10

Heat in the amount of 100 kj is transferred directly from a hot reservoir at 1200 k to a cold reservoir at 600k. calculate the entropy change of the t...

question

Engineering, 11.07.2019 05:10

A1m by 1m square gate is to be located on one vertical side of a tank that will contain 2 m depth of water up to the bottom of the gate. determine the...

question

Engineering, 11.07.2019 05:10

Acylindrical metal specimen having an original diameter of 11.80 mm and gauge length of 51.7 mm is pulled in tension until fracture occurs. the diamet...

question

Engineering, 11.07.2019 05:10

Air is compressed in an isentropic process from an initial pressure and temperature of p1 = 90 kpa and t1=22°c to a final pressure of p2=900 kpa. dete...

question

Engineering, 11.07.2019 05:10

Is a process that is internally reversible and adiabatic necessarily isentropic? explain using an equation....

More questions: Physics Another questions

Questions on the website: 13722367