Chemistry/physics

129,636 results

Sta 112

This is my question every one . Please help me have it already I had 6 as my answer. In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also 4 of them offer physics and chemistry but not biology,3 offer physics and biology but not ...

math

A school has 63 students studying Physics, Chemistry and Biology. 33 study Physics, 25 Chemistry and 26 Biology. 10 study Physics and Chemistry, 9 study Biology and Chemistry while 8 study both Physics and Biology. Equal numbers study all three subjects as those who learn none...

math

500 students sat for an examination in mathematics,physics and chemistry.45 passed all the three subject,60 passed mathematics and chemistry,70 passed physics and chemistry,50 passed mathematics and chemistry,10 passed in mathematics,80 passed in chemistry and 35 passed at ...

Science

Which branches of science do pharmacists need knowledge of to do their job properly? A.physics and chemistry B.biology and chemistry C.chemistry and geology D.physics and computer science Is the answer B?

math

In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also,4 of them offer physics and chemistry but not biology,3 offer physic and biology but not chemistry,6 offer biology and chemistry but not physics if 13 of them offer physics only how...

Math

In a class of 100 students, 40 offer Biology and 10 offer Chemistry and Biology .10 offer Physics and Chemistry , and 30 offer Physic and Biology . Each student offer at least one of the three subjects. The number of students who offer Biology is equal to those who offer ...

just wondering...

what is harder, chemistry or physics? because i've been struggling all year in chemistry and i'm taking physics next year... i have a solid a in alg.2 though... oh yeah, and i want to be a physical therapist. so if i'm not to good in chemistry can i still be a physical ...

Maths

In a survey of 200 students of a school, it was found that 60% study mathematics, 45% study physics, 35% study chemistry, 20% study mathematics and physics, 15% study physics and chemistry, 25% study chemistry and mathematics and 10% none of these subjects. Find the number of ...

chemistry

I have a chemistry project where I need to make an object move using my knowledge of chemistry. The object os a small ball the size of a large marble. It must be moved using chemistry and NOT physics (ie slope wind etc). I am 15 and in grade 11.

ma

In a class of 100 students, 40 failed in Math, 30 failed in Physics, 60 failed in Chemistry. 35 passed in both Math and Physics. 20 passed in Physics and Chemistry. 25 passed in Math and Chemistry. Each student passed in at least one subject. How many students passed in all ...

Note to physics, chemistry students

Please note the spelling of Physics, and Chemistry. If you are a college student in those courses, and cant spell them, frankly, asking for help here is insulting to your college and you.

algebra

in a class of 30 students , there are 22 students who study chemistry but not physics, 4 who study physics but not chemistry and who study neighter chemistry nor physics. how many students in the class study physics

Math

At small town high there are 100 students,each of whom takes atleast one of Biology,Chemistry,or physics.There are 50 student in Biology,60 in chemistry,and 70 in Physics.If 24 students are enrolled in exactly two of the classes,how many students are in all three?

chemistry

How do you make a venn diagram of the 6 branches of chemistry? (Inorganic chemistry, organic chemistry, biochemistry, nuclear chemistry, physical chemistry, and analytical chemistry) like where would they go in the 3 circles

Math

At Small Town High there are 100 students, each of whom takes at least one of biology, chemistry, or physics. There are 50 students in biology, 60 in chemistry, and 70 in physics. If 24 students are enrolled in exactly two of these classes, how many students are in all three?

math sets

out of 320 students at a university,190 taking math,235 taking chemistry and 120 taking physics.125 are taking both chemistry and math,95 taking both chemistry AND PHYSIC,55 TAKING BOTH MATH AND PHYSICS.HOW MANY ARE TAKING ALL THE THREE SUBJECTS

Chemistry

1. Imagine that you work at a company that prepares chemical solutions. You are asked to label a solution to sell to different customers. One customer is a hospital, another is a chemistry lab at a university, and a third is a physics lab at a university. You added 900 kg of ...

math

A textbook store sold a combined total of 315 physics and chemistry textbooks in a week. The number of physics textbooks sold was two times the number of chemistry textbooks sold. How many textbooks of each type were sold?

physics

How do the laws of physics apply to others sciences such as biology chemistry and earth science? And give an example to show the connection.

Chemistry

Can someone please tell me what to expect from Beginner High School chemistry? Is it mostly applying mathematics like physics? Or basically memorizing like biology? Thank you!

math111

in a science class,65 student study physics while 40 study chemistry.if there are 93 student in the class,how many student study both physics and chemistry?

physics

A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the station platform, sadly watching her leave. When the train is 150 meters form the station, it emits a whistle at a frequency of 3000 Hz. What is the ...

Physics

A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the station platform, sadly watching her leave. When the train is 150 meters form the station, it emits a whistle at a frequency of 3000 Hz. What is the ...

Physics

A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the station platform, sadly watching her leave. When the train is 150 meters form the station, it emits a whistle at a frequency of 3000 Hz. What is the ...

maths

in a class of 35 students twice as many study chemistry and study physics half a many study chemistry as study both subjects illustrate it on a venn diagram

Chem/Physics

1. How much work is necessary to accelerate a bullet having a mass of 5.0 g to a velocity of 1000. m/sec? This was on a chemistry problem set of mine, and it seems like a very physics-oriented question [I have not taken physics.] Could someone point me in the right direction ...

Physics

how are the fundamental laws and principles of physics related to the complexity that we see in nature? 2) How do the laws of physics apply to other sciences such ad biology, chemistry, and earth science? Give a specific example to show the connection - is it because there ...

statistics

Leslie took two midterm exams and earned the following scores: 82 on the chemistry exam (class distribution: μ = 75, σ = 6.25) and 63 on the physics exam (class distribution: μ = 59, σ = 3.57). Rounding to two decimal points, on which exam should Leslie get...

Algebra

70 students are studying mathematics,physics & chemistry.40 students study mathematics,35 study physics and 30 study chemistry.15 students are studying all the three subjects.How many students are studying exactly two of the subjects

Chemistry

The population of San Francisco is 750,000 in an area of 49 square miles. What is the population density in San Francisco? Express your answer in people per acre. ( 1mi(squared) = 640 acres ) 49 sq mi x (640 acres/1 sq mi) =?? acres. (Note that sq mi cancels leaving acres.) ...

physics

What model is the basis for chemistry?

intergrated physics and chemistry

how is work expressed

Physics 11/Chemistry 11

What is the heating capacity of Zinc?

math

in an examination, 31 candidate passed chemistry, 29 passed physics and 3 failed both subject. if 50 candidate sat for the examination, how many of them passed chemistry only?

physics/chemistry

is conductivity a physical or chemical property

chemistry or physics

What is the speed of light in scientific notation?

physics biology chemistry and ict

WHAT ARE THE ALLOTROPES OF ANTIMONY

Chemistry Physics

What is the wavelength in metres of an electromagnetic wave with a frequency of 10^14/s?

math , physics, chemistry

sec^4x=11tan^2x+5 than what is the value of tanx

Physics/chemistry

Describe the partcle Theory of a HOt air Balloon?

Integrated Physics and Chemistry

The ____ motion of a star can be determined by studying its spectrum

math

who are the fathers of following subjects a)maths b)physics c)chemistry d)biology e)social

Intergated chemistry/physics

What is the speed (in m/s) of an object that has a mass of 2.5 kilogram and a momentum of 1,000 kg m/s?

Chemistry and physics

What causes a red glow when the iron and sulphur mixture is heated?

English

Hello! I will type 2 exercises from the lesson I am teaching on Wednesday-english as a foreign language - 8th graders ( it will be graded) I need you to help me with some ideas. It says: LEAD- IN: A Here is a list of some natural sciences: BIOLOGY CHEMISTRY PHYSICS BOTANY ...

integrated chemistry and physics

If 2 blocks have the same mass which one has the greater acceleration?

Chemistry Physics

What is the wavelength of an electromagnetic wave with frequency 50.0 MHz? Am I starting this problem like this? 3.00*10^8/50*10^6 =6*10^12

chemistry/stiochiometry

could someone please answer my chemistry/stoichiometry questions below both "anonymous one just chemistry on todays date

CHEMISTRY!!!!! HELP!!

I'm looking for a chemistry and applied chemistry textbook that had been published between 2011-2014. Please help because I couldn't find one on google.

science

How do the principles of physics and chemistry both come into play when developing new materials?

science

How do the principles of physics and chemistry both come into play when developing new materials

maths, geography, physics, chemistry

A cuboid has TSA 40 sq. m and latral surface 26 sq. m. Find the base area.

physics

A sophomore chemistry student holds a 500mL Erlenmeyer flask full of concentrated nitric acid high above his head at a height of 1.75 meters and declares, "I'm the King of Chemistry!" At that moment another student, startled by the sudden ignition of her Bunsen burner, jumps ...

statistics

At a certain college, 15% of the students receieved an A in their required math cousre, 10% receieved an A in their required chemistry course, and 5% receieved an A in both. A student is selected at random. a.) What is the probability that he received an A in either chemistry ...

Integrated Physics and Chemistry

A furnace is used to heat ___ A)water B)air C)a refrigerant D)radiant coils

Maths, physics, chemistry,

The weight of H2C2O4.2H2O required to prepare 500 ml of 0.2N solution is a)126g b)12.6g c)63g d)6.3g

Science

List all of the things that are physical property. You will find some listed here. http://nobel.scas.bcit.ca/chem0010/unit2/2.2_properties_physical.htm There are very many others, but they would require a lot of effort to explain what they mean. Isn't every property a physical...

Integrated Physics and Chemistry

What are a few of the positive things the Equal Rights Amendment would have done for women in America?

chemistry, physics

How would you be able to utilize a calorimeter to determine the specific heat of substance that has a lower density than water?

Math, physics, chemistry

calculate total ionic strength of solution in which concentration of CuSO4 and Al2(SO4)3 is 0.1 molar

Chemistry

Our professor just told us that the final exam will be the ACS exam, we are taking general Chemistry II. What is the best way to study for ir? Is the preparing for ACS general chemistry study guide good? If we are taking general Chemistry II do we have to study Chemistry I again?

Chemistry

Our professor just told us that the final exam will be the ACS exam, we are taking general Chemistry II. What is the best way to study for ir? Is the preparing for ACS general chemistry study guide good? If we are taking general Chemistry II do we have to study Chemistry I again?

Chemistry/physics

Are there two ways of calculating the average kinetic energy of a molecule? Ik that 1/2mv^2 works but for this problem, i don't know the mass or the velocity....

Integrated Physics and Chemistry

Energy that is dissipated during heat flow cannot usually be used to produce work. True False

PHYSICS/CHEMISTRY

Can someone explain to me, what does Metastable isotope means? I already read the definitions on the internet but I really don't understand it. Thanks in advance.

Chemistry/Physics

When 1mol of a gas burns at constant pressure, it produces 2430J of heat and does 5kJ of work. Calculate change in H, q, and in kJ?

Intergated chemistry/physics

What is the momentum of a 100 kilogram football player moving with a speed of 3.5 meters/second. The units should be written as kg m/s.

Math

in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject of if 100 students were surveyed

Math

in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject if 100 students were surveyed

General Chemistry!!!!

Hi I'm a high school teacher. I teach General Chemistry. I'm looking for a textbook for my student. In this course we learn the basics of chemistry and how it relates to our everyday lives/world.

integrated physics and chemistry

classes of steel and iron are defined by the amount of WHAT? and other elements present in the alloy. is it zinc,tin,carbon,or aluminum?

chemistry, physics

In the specific heat measurement does the sample have to be 100 C, or would a lower initial temperature do just aa well? I wrote down it doesn't matter, but i don't know why.

Chemistry/physics

The KE of a hydrogen atom's electron is 12.65 eV. Calculate the velocity of the electron? Known: KE=mv^2

Chemistry Physics

How many grams of water at 20°C are necessary to change 800g of water at 90°C to 50°C?

Chemistry (kind of)

Okay so this is actually for an english assignment where we have to report on a problem in our field....mine happens to be Chemistry so I was wondering what kind of problems or disputes can be caused in a chemistry lab...

integrated physics and chemistry

what is the main ingredient in 22-karet gold? is it copper,tin,gold,or steel?

Physics/Chemistry

Does an electroscope losing its charge by being grounded violate the law of conservation of charge?

Chemistry Physics

How many Btu of heat are required to melt 33.0 lb of ice at 32°F and to raise the temperature of the melted ice to 72°F?

Integrated Physics and Chemistry

Which of the following forms of energy transfer can occur in a vacuum? A) conduction B) convection C) radiation D) all of the above Can I get some help on this one too, please?

chemistry, physics

When measuring specific heat, why should your final temperature be the maximum temperature reached calorimeter?

maths physics chemistry

State the principle on which each of the following is based. (a) the equation of continuity, Av = constant (b) the Bernoulli equation

Physics and chemistry

why does the electrical resistance in your body decrease when you get wet Salt is in the skin, salt water is a good conductor.

Integrated Physics and Chemistry

Insulating materials are rated by their.. A)specific heat B)heat index C)R-value D)temperature resistance

Intergated chemistry/physics

If a bowling ball is rolling at a speed of 1.5 meters/second and has a momentum of 10.0 kg m/s, what is the mass of the ball in kilograms?

Chemistry Physics

A steel pipe 8.25 m long is installed at 45°C. Find the decrease in length when coolants at -60°C pass through the pipe

Bio physics chemistry pre medical

The vitamin a has a molecular formula c 20 h 30 o. How much no of molecules will be vitamin a has in 500mg capsule?

college. physics and chemistry and mathematics

An element crystalline in face centred cubic lattice. CCalculate the length of the side of the unit cell if the radius of atom is200pm

DrBob222 please check

DrBob222 please check my physics question posted at 8:55pm. The subject is drwl please check. I am not getting a response from drwl. Thanks! Mary DrWLS is not on right now. My physics is too poor to trust my answers. Bob Pursley is smarter than I am; he does physics, math, and...

Math

If you pass general chemistry, then you can take organic chemistry. You pass general chemistry. ˆ You can take organic chemistry. Let P = you pass general chemistry Let Q = you can take organic chemistry I came up with P - >Q P therefore Q But my set up is wrong, how do ...

Chemistry

I'm having a hard time getting started studying for my chemistry midterm. i'm kind of overwhelmed. my teacher gave me a brief study guide, but where would be the best place to start? are notecards effective for studying chemistry?

physics

is this the strutual formula for hydrogen cyanide H:C:::N and is this correct for cyanogen :N:::C:C:::N any advice woulds be appreciated This is more chemistry than physics. It is important to put the subject line carefully in order for the right people to look at the problem...

ap chemistry

I have taken ap chemistry but I have language barrier and sometimes I don't get it and I am getting behind.We are already in chapter 9.I don't want to quit. What is the best way to improve and learn faster?Any practice I should do?What is the experience taking ap chemistry ...

Integrated Physics and Chemistry

Some refrigerants used in air conditioners have been associated with.. A)somg B)destruction of the ozone layer C)thermal pollution D)power failures

Integrated Physics and Chemistry

Some refrigerants used in air conditioners have been associated with... A)smog B)destruction of the ozone layer C)thermal pollution D)power failures

Integrated Physics and Chemistry

In an internal combustion engine, the gas vapor/air mixture enters the cylinder during the ____ stroke. A)intake B)compression C)power D)exhaust

Chemistry

Chemistry and engineering topics how chemistry relates to engineering for my 10 page research paper

Integrated Physics and Chemistry

How many calories are absorbed by a copper spoon with a mass of 200 grams as it changes from 28°C to 33°C? A) 0.00027 B) 3 C) 90 D) 13,000 And this one. How do i solve this one?

Bio physics chemistry pre medical

Methane react with steam to form h2 and co. . what volume of h2 can be obtained from 100cmcube of methane at the standard temperature and pressure? ?

Bio physics chemistry pre medical

Methane react with steam to form h2 and co. . what volume of h2 can be obtained from 100cmcube of methane at the standard temperature and pressure? ?

statistics

At a certain college, 15% of the students received an A in their required math course, 10% receieved an A in their required chemistry course, and 5% received an A in both. A student is selected at random. a.) What is the probability that he received an A in either chemistry or...

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