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Chemistry -Flame colors (check+help)

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Chemistry -Flame colors (check+help)
What are the characteristic flame color for sodium, potassium, barium, copper, strontium, and calcium? Explain why? Ans: i know the flame colours, but for the explain why, could the below be a possible answer? The characteristic flame color is due to the shift in the energy ...

Flame Colors - Chemistry
I've searched the internet but I can't find out what color flame a Nickel (or even better NiSO_4) solution will produce when burned. As well, does Aluminum (Al(SO_4)_3 ) have a flame color from the flame test? Don't know sorry!Wih I could help!Can you help me though? Thanks ...

Chemistry
We did a flame test today to see what substances produce what colors when burned. Can you please explain... Why each of the different elements have a different atomic emission spectrum? Would the flame tests be useful for detecting individual elements present in a mixture of ...

chemistry -------------chemistry
If a flame on the candle burns red , how does energy of that flame compare to that of the Bunsen burner flame ? and why ? ans:The Bunsen burner flame has higher temperature than candle’s flame . Because flame of candle emit red ,and red has the least energy in visible light.

Chemistry
Regarding Flame Tests, why do you have to subject the sample to a flame? Which part of the Bunsen Burner is hottest? Why is it necessary to hold the loop in this part of the flame? What do you think will happen if you perform the flame test on a solution with more than one ...

Chemistry
Regarding Flame Tests, why do you have to subject the sample to a flame? Which part of the Bunsen Burner is hottest? Why is it necessary to hold the loop in this part of the flame? What do you think will happen if you perform the flame test on a solution with more than one ...

Honors Chemistry
We did a lab in class on Friday where we stuck a metal loop in various chemicals and stuck it in the flame of a Bunsen burner and we observed the flame's colors as the different metals went in. For every lab we do, we have to write a writeup which involves a graph. How could I...

Chemistry
Hii! I have a question: So the flame photometer uses a natural gas flame (1800 oC), what if it uses acetylene - nitrous oxide flame which is ~3000 oC, what would happen to the emission intensities? Thanks!

Chemistry
What colors would you expect to see in a flame for the following compounds: potassium chloride, potassium nitrate, and potassium sulfate. Explain your answer

Chemistry
There's a test tube filled with a gas, and you bring a flame to the mouth of the tube. Many things could happen... The flame might get snuffed out and there might be a popping sound... so how can you find the density of that gas in relation to the air around it using the ...

chemistry
when you hold a hydrogen filled pipet bulb horizontally with its mouth about 1 cm from a falme while gently squeezing what would you observe? a. the flame goes out b. a gentle pop and the flame may have been blown out c. the flame got bigger d. nothing happened I think that ...

chemistry
what are the advantages of using a blue flame instead of a yellow flame for heating objects on a bunsen burner?

Chemistry
When your body breaks down sugar completely, how much heat is released compared to burning the same amount of sugar in a flame? The body releases___ less heat than the flame*** more heat than the flame same amount of heat as a flame the body releases so heat

Chemistry
Explain why the appearance of the wood flame is yellow whereas the gas flame most often appears blue.

Physics
Suppose a flame of a gas burner stove emits light just like a blackbody.The flame appears blue,emiting most of the light as a wave length of 475 nanometers. what is the temperature of the flame. How do I solve this?

Chemistry
Is the temperature of a luminous flame greater than that of a non luminous flame? Please explain.

English
Colors can change our feelings. What do you think? I agree to the statement. Colors can really change our feelings. For example, red makes use feel more active. I think that is the correct expression. Our mood can be changed by colors. For instance, purple makes us sleep well...

Chemistry
What adjustment would you make to the Bunsen burner (a) to correct a flame with an orange tip (b) to correct a ragged, noisy flame? ..I always get the purpose of the gas inlet / air inlet mixed up

math
A flame is ejected vertically upward from the groung at 15m/s.Find the height of the flame after 2.5seconds

Physics
I had posted this question once before, but no one helped me on this one. So I am posting this question again. Suppose the flame of a gas burner stove emits light just like a blackbody. The flame appears blue emiting most of the light at a wave length of 475 nanometers. What ...

thermodyn. please check work
What is the sign of heat(Q), Work(W), or Temperature for these following situations. Say if it's +,-, or 0. 1)You hit a nail with a hammer: +W, Q=0, T=0 2)You hold a nail over a Bunsen burner: Q=+Q, Temp:constant, W=0 3)You compress the air in a bicycle pump by pushing down on...

art-colors
what are all the different colors that mix to make other colors? like how when you mix red and yellow you get orange...what are all the other colors? well green + blue= brown yellow + blue= green red + blue = purple is that all? Yes, from what I've seen on a website that I can...

inorganic chermistry
(a)explain why the colour for ions in the flame tests differ (b)Why do the chemicals have to be heated in the flame first before the colour light is emitted?

engineering
I need help with my Fire Engineering homework. What is the heat release rate of a flame measuring five feet in height assuming the flame is in the center of a room?

math, bobpursly
I don't know what the -4)colors means. Models*exterior colors*upholsterytypes*numberinteriour colors. Multiply them out. what do i have to do to solve for this one i have no idea i was low on the first try... An uto mobile manufacturerr produces 7 models, each available in 6 ...

astronomy
on a domestic gas cooker the temperture in the hottest part of the flame is about 2200k.if salty eater is spilled in the flame then it becomes yellow-orange.measurements with a spectrometer show the presence of an emission line at 589n. 1) the solar spectrum shows an ...

Math
Tonya and Lauren ate designing a soccer uniform. They want to use two colors on the shirt. Their colors are green, orange, yellow, purple, blue, and silver . How many ways can they choose two colors?

Chemistry
1. Describe the relationship between the color change of the filament with temperature, and the colors in the observed spectrum of white light. 2. Order the colors of the rainbow according to the amount of energy needed to produce them, from lowest to highest.

physics
Suppose the fame of a gas burner stove emits light just like a blackbody. The flame appears blue,emiting most of its light at a wave lengh of 475nanometers. what is the temperature of the flame? How do I solve this?

physics
Why is it that a computer monitor or a TV screen can produce millions of colors using only the 3 primary additive colors? Likewise, how can a printer print millions of color using only the colors of magenta, cyan, and yellow? How are the primary additive and the primary ...

Math
Ms.Groves has trays of paint for students in our class each tray has five colors one of the colors of purple what fraction of the colors in 20 trays of purple

science
Name the type of lens required to obtain 3tymes magnified img of a candle flame on a wall. The candle flame is 6m away from the wall calculate the focal length..???

Chemistry
A 67gr mass of solid iron is heated by a flame until the temp of the iron equals the temp of the flame. The solid iron is then dropped into 250gr of liquid water at 26 degrees C. After 5 mins, the iron and the water are both at 47 degrees C. Specific heat: Iron- .451 Water- 4.184

statistics
In a bowling league, the probability that the uniforms are all 1 color is 0,45, that 2 colors are used is 0.35, and that 3 or more colors are use is 0.20. if a sample of 12 uniforms is selected, find the probability that 5 contain only 1 color, 4 contain 2 colors, and 3 ...

science
I put a peice of copper into a flame and I need to write a word equation for it. Whats a flame made up of cause I wanna write copper + _____ -> _______ + ________ I know its a synthesis reaction.

Science
How are the primary pigments related to the primary colors? The primary pigments are: A. Complementary to the primary colors B. Associated with the primary colors C. Unrelated to the primary colors Is the answer A?

physics
You can comfortably hold your fingers close beside a candle flame, but not very close above the flame. Why? In a still room, smoke from a candle will sometimes rise only so far, not reaching the ceiling. Explain why.

physics
what colors of ink do color ink -jet printers use to produce a full range of colors? do the colors form by color addition or by color subtraction?

Burning Candle experiment
what is the shape of the candle flame? To me it looks kind of like a leaf--more like a teardrop. Am I correct? where does the wax from the candle go? Does it just burn in the flame?

physics
Find the heat flux due to radiation from a gasoline pool fire whose flame is 3 m tall with a 1 m diameter, and it is 3.5 m away from a target fuel. Assume e = 0.98 with a flame temperature of 1,300 K. Solve this problem by determining the configuration factor and assume a ...

chemistry
what is the flame test for nickel

Science
How are the primary pigments related to the primary colors? The primary pigments are: A. Complementary to the primary colors B. Associated with the primary colors C. Unrelated to the primary colors

math
we decided on a new logo for our brand of t-shirts.It was to be 3 stripes;(1) each stripe could be colored in 1 of 2 different colors,but we didn't want adjacent stripes to be the same color.how many different logos could we make.(2) how many more logos could we make if we ...

English
Color of Our Friendship Friendship is full of colors. Red is action. It makes us feel active. Yellow is happiness. It makes us feel happy. Gray is age. It keeps us living harmonously together. Friendship is full of colors. (It is a poem I made. Would you check the poem and ...

Chemistry
What are the characteristics of a perfect flame for a bunsen burner??

Chemistry
Benzene burns with intense smoky flame,this is b/c ?

math-
A new model of car is available in 4 exterior colors and 3 interior colors. Use a tree diagram and specific colors to show how many color schemes are possible for the car. Solve the problem using an alternative method as well.Note that you are asked to solve the problem in two...

chemistry
is a flame coloration a test for the metal or for the acid radical?

Chemistry
why is flame test for chemicals important? give me reasons

Chemistry
Is the flame coloration a test for the metal or for the acid radical?

chemistry .chemistry
obtanin a piece of comcentrated acetic acid and 10 ml of di- water . bring the content of this beaker to a gentle boil using a low flame on the Bunsen burner . boild for about 3minutes , alow to cool and then remove the steel wool ball . what is formula? Ans : Fe + 2CH3COOH...

Help with Art!
Dancers Backstage By Edgar Degas How did the artist use color to create emphases in this image? A. by using colors that were similar to the background B. by creating color contrast to focus on the main ballerina C. by using only cool colors D. by using analogous colors in all ...

art
what two colors are --- when they're directly across from each other ont he color wheel and share no common colors

math
A new car comes in 5 exterior colors and 3 interior colors. How many different-looking cars are possible?

Math 8
Isabelle has a choice of 3 colors of pants, 5 colors of shirts, and 3 kinds of shoes. How many different outfits can she wear? a. 12 c. 22 b. 11 d. 4

Math 8
Isabelle has a choice of 3 colors of pants, 5 colors of shirts, and 3 kinds of shoes. How many different outfits can she wear? a. 12 c. 22 b. 11 d. 4

chemistry
give 2 commercial or practical uses of this flame color phenomena.

chemistry
what happens to the loosely held electrons when each ion is heated in the flame

chemistry
what happens to the loosely held electrons when each ion is heated in the flame

Chemistry
Why does only one of these ions (Co, Cu, or Ni) produce a positive flame test?

Chemistry
Suggest why calcium compound produce a coloured flame but magnesium do not?

Chemistry
Ion flame test Why is it important to not let the wooden splint burn ?

chemistry
6 part question 1. describe the appearance of a Bunsen flame that is getting insufficient air? 2. describe the appearance of a Bunsen flame that is getting too much air. 3. When inserting glass tubing into a rubber stopper, how far from the stopper should you hold the tubing? ...

Art
Find examples of tints, shades, primary and secondary colors, and warm and cool colors in "the banjo lesson". Thanks!

English
Posted by rfvv on Friday, October 21, 2016 at 11:53pm. 1. Dogs can't see some colors. 2. Dogs can't see several colors. 3. Dogs can't see a few colors. 4. Dogs can't see any colors. .................................. Are they all grammatical? Can we use 'some,' 'several,' or '...

Chemistry pls help
Ion flame test Why is it important to not let the wooden splint burn ??

English
1. Fold the paper along the dotted line to make a triangle.(Right?) 2. It will heat the floor. It will warm the floor. (Are both OK?) 3. Don't throw stones at the dogs. Don't throw stones to the dogs. (Are both prepositions OK? What is the difference?) 4. The scarf has many ...

CHEMISTRY
1.List all the ions that cause a red flame and produce a precipitate in the presence of hydroxide ions. 2.List all the cations that could cause the red flame and produce a precipitate in the presence of sulfate ions. 3.

Science
Does anyone have the spectra for sulfur? In class we did this using a flame test, where we put the sulfur in a flame over a bunsen burner and used a spectra scope to find sulfur's spectra, but I seem to have lost this data. I've been looking on the web, but I don't know which ...

Chemistry
I'm doing a flame testing lab in which I'm supposed to be able to identify an unknown element by observing the color it emits once heated. The color of the flame after heating this unknown metal is a light pinkish-violet. The question I need to answer asks what metal ion this ...

Art
This painting is called "Girl in a Southern German Folk Costume" 1. How did the designers of this German folk dress use the principles of art? A. The designer repeats colors throughout the apron to create unity B. The designer uses different colors to create complicated ...

chemistry
what will happen when potassium liliac colored flame is viewed through blue glass

chemistry
When hydrochloric acid is mixed with magnesium and a flame is put in the tube what causes a reaction?

chemistry
would ionic or covalent substances be more dangerous near an open flame? why?

Chemistry
What is the function of Compressed Air in GC-FID (i.e. Gas Chromatography-Flame Ionization Detector)?

math
there are balls of colors red, blue and green. 65 students of a class like exactly one color, 10 students like no color, 40 students like exactly 2 colors and 15 students like all the 3 colors 1. how many students are there in the class. 2.how many students like atleast 2 colors.

Art
Drawing: girl in a southern German folk costume it's the first picture in Google search. How did the designer of the German folk dress use the principles of art? A. The designer repeats colors throughout the apron to create unity. B. The designer uses different colors to ...

English
what the purpose of the olympic torch/flame? The purpose of the olympic torch/flame is to give everyone the strength to protect themselves from danger and help struggle for victory. Can someone please give me a better purpose than this. I tried to fit these words in my answer...

Chemistry
a) Name the colors of visible light (the colors of the rainbow) in order of increasing energy. Indicate the approximate wavelength associated with each color. b) When excited, elemental sodium gives off a distinctive color that is used often in street lighting. What is the ...

Math
Keiko has 7 colors of lanyard. She uses 3 different colors to make a keychain. How many different combinations can she choose? 7 for the first, 6 for the second and 5 for the third. The answer is the product of those numbers, no matter what order the three colors are picked. ...

chemistry
which do you think would be more dangerous near an open flame, an ionic or covalent compound?

Chemistry
Why does magnesium burn with a white flame? What does it say about the electron transitions that take place?

math
tonya and lauren are designing a soccer uniform. They want 2 colors on the shirt. the choices are green, orange, yellow, purple, blue and silver. How many ways can they choose 2 colors?

English
1. Dogs can't see some colors. 2. Dogs can't see several colors. 3. Dogs can't see a few colors. 4. Dogs can't see any colors. .................................. Are they all grammatical? Can we use 'some,' 'several,' or 'a few,' together with 'not'?

college
atoms heated in a sample emit only certain colors of light in sharp lines and not all colors blended together tells us what about the energy of an atom?

Chemistry
it is considered a saftey hazard to leave an operating burner unatteneded unless the flame is made luminous10 explain why

Physical Science
The primary colors of pigments A. are cyan, yellow, and magenta. B. are the same as the secondary colors of light. C. combine in equal amounts to produce black. D. all of the above I think it's D.

science
why does a candle appear to go out when a copper coil is placed over the flame? Combustion requires three things: fuel (wax here), oxygen (air here), ignition temperature (a match here probably). Remove one and the combustion stops -- that's the principles firemen use to put ...

science
why is the sky blue? is it because of elements in the atmosphere that when the sunlight which is made of multiple colors hits it the other colors are absorbed and blue is reflected?

History
What weapon/technology would be the most beneficial during WW1? Trench warfare, machine guns, field guns, rifles, poison gas, flame thrower, aircraft, tanks, U-boats, or battleships? I'm not sure but I eliminated trench warfare, flame throwers, aircraft, tanks, and u-boats

math
we decided on a new logo for shirts,if we had used 4 stripes and 2 colors,how many more logos could we have made than using 3 stripes and 2 colors

Art
What is value? • the lightness or darkness of a color • the intensity of a color • the number of colors being used in a 2D artwork • the difference between two colors

Chemistry
What color would Nickel ions burn (say in a compound of NiSO4)? Green? If you searched this on the web please post the link for a reference I can use. I don't have a reference. In fact, it is not listed in any text book I own and it is not listed on any of the sites I found on...

Art... Complementary colors
Hello, In the following question my answer is #1 is that correct? Thank You If you wan to balance complementary colors so that they'll appear static and harmonious, you need to; #1 use the proper proportions of each color. #2 work only with spilt complementary colors. #3 ...

Clinical Chemistry
Why is slightly higher serum sodium consistently found by evaluation by ion-selective electrode (ISE) as compared to flame photometry?

5TH GRADE MATH
FRANK, KENDRA, AND LIN ARE PAINTING A MURAL. THERE ARE 2 SETS OF PAINTS, EACH WITH 50 COLORS. PAINTS ARE PASSED OUT UNTIL EVERYONE HAS THE SAME NUMBER. HOW MANY COLORS DOES EACH WORKER GET?

Chemistry
when heating a beaker, where should the burner flame be located for maximum heating?

CHEMISTRY
do the positive ions or the negative ions cause the change in flame color?

math
jade and isis are designing a soccer uniform they want use two colors on the shirt, their choices are green , orange, yellow, purple, blue silver. how many ways can they choose two colors?

Math
Tonya and Lauren are designing a soccer uniform.they want to use two colors on the shirt.their choices are green, orange,yellow, purple,blue and silver. How many ways can they choose two colors?

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