how to measure time with a tin can containing water
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maths
how to measure time with a tin can containing water 
Thermochemistry
A piece of tin is heated to 695 °C and dropped into 158 g of water at 23.2 °C. The temperature of the system rises to 30.7 °C. What is the mass of the tin dropped into the water? (C = 0.227 J/g°C for tin, C = 4.18 J/g°C for water) 
Thermochemistry
A piece of tin is heated to 695 °C and dropped into 158 g of water at 23.2 °C. The temperature of the system rises to 30.7 °C. What is the mass of the tin dropped into the water? (C = 0.227 J/g°C for tin, C = 4.18 J/g°C for water) 
Chemistry
In a similar experiment, a sample of tin metal was dissolved in nitric acid to produce 23.00 mL of solution containing Sn2+. Titration analysis resulted in the calculation that the concentration of Sn2+ in this solution was 0.65 mol/L. b. What mass of tin was used to make the ... 
math
A cylindrical tin of diameter 9cm and height 224cm is half filled with water.Find the volume of water in the tin. 
Chemistry
A strip of zinc medal weighing 2.00 grams is placed in an aqueous solution containing 150.ml of .750M Tin(II) nitrate. Determine the grams of tin metal that will be precipitated. 
Chemistry Stoichiometry
1. Tin and oxygen gas are reacted together to form Tin (IV) oxide, a solid. If a piece of tin foil, 8.25cm x 21.5cm x 0.60mm (density = 7.28g/cm3) is exposed to oxygen and all the tin reacts, what is the mass of the oxidized tin foil? (98.4g) I am so confused on this problem ... 
Physics
A 250 g piece of tin at 99°C is dropped in 100 g of water at 10°C. If the final temperature of the mixture is 20°C, what is the specific heat of the tin? 
math
a closed tin is in the shape of acylinder of diameter 10cm and height 15cm.use the value 3.14 for pie to find a)the total surface area of the tin b)the value of the tin to the nearest naira if tin plate cost 450 per m2 
Chemistry
I am having a hard time solving this problem. The formula given is: T=Tin  (Tin  Tinit.)e(v/v)t If the initial temperature Tinit is 115 (degrees F), the cold water temperature is 35 (degrees F) (1.7 degrees C), and the volume and volumetric flow rate are 3,000 liters and 30... 
Chemstry/(microsoft excel)
I am having a hard time solving this problem. The formula given is: T=Tin  (Tin  Tinit.)e(v/v)t If the initial temperature Tinit is 115 (degrees F), the cold water temperature is 35 (degrees F) (1.7 degrees C), and the volume and volumetric flow rate are 3,000 liters and 30... 
physics
Equal 0.400kg mass of lead and tin at 60 degrees celsius are placed in 1kg of water at 20 degrees celsius. a) what is the equilibrium temperature of the system? b)if an alloy is half lead and half tin by mass, what specific heat would you anticipate for the alloy? c) how many... 
calculus
Use differentials to estimate the amount of tin in a closed tin can with diameter 6 cm and height 14 cm if the tin is 0.046 cm thick. 
Geology and soils
An oven tin containing a sample of moist soil was weighed and had a mass of 37.82 g; the empty tin had a mass of 16.15 g. After drying, the tin and soil were weighed again and had a mass of 34.68 g. Assuming GS = 2.70, determine the void ratio of the soil if the airvoid ... 
Math (Word Problem into formula)
A chemist is studying the properties of a bronze alloy (mixture) of copper and tin. She begins with 6 kg of an alloy that is one sixth tin. Keeping the amount of copper constant, she adds small amounts of tin to the alloy. Letting x be the total amount of tin added, define c(x... 
Algebra
MLids for tin cans are stamped out of a solid sheet of tin as show how much of the tin is wasted in this process? Given L= 15 w=6 
Science
I have 59.73 grams of a solid dissolved into water. The total is now 115ML of water. I added the water into a beaker already containing said solid. I did not measure how much water I put into the beaker. 59.73g/115ML=0.51g/ML My question is. Is this the correct way to mix and ... 
Chemistry
A compound of Tin Sulfate is decomposed in the lab to give 1.91g of Tin, 1.03 grams of Sulfur, and 2.06g Oxygen. Determine if this is a compound of Tin(II) Sulfate or Tin(IV) Sulfate. 
Math
Maddy’s loaf tin has three partitioned areas in which to bake three loaves. The outside of the tin along with the partitions is made of 80 inches of material. The area of the entire loaf tin is 192 in2. What are the possible outer dimensions of the loaf tin? 
Physics
So we did this lab about how we are to measure the half life of the beta decay of indium 116 (the indium 116 is captured by indium 115 and undergoes beta decay to become tin 116. Since the Indium 116 I reused I understand that every time we use it, the indium 116 becomes a ... 
maths
A cylindrical tin 8cm in diameter contains water to a depth of 4cm. if a cylindrical wooden rod 4cm in diameter and 6cm long is placed in the tin it floats exactly half submerged. what is the New depth of water 
maths
A cylindrical tin 8cm in diameter contains water to a depth of 4cm. if a cylindrical wooden rod 4cm in diameter and 6cm long is placed in the tin it floats exactly half submerged. what is the New depth of water 
maths
A cylindrical tin 8cm in diameter contains water to depth of 4cm.If a cylindrical wooden rod 4cm in diameter and 6cm long is placed in the tin or floats exactly half 2.what is the New depth of water 
kv no 1
what is measure of work done in lifting a bucket containing water of 5kgs from a 10metre well 
Chem
How do I write a balance chemical equations? solid tin(ii) oxide with aqueous hydrogen fluoride to produce aqueous tin(ii) fluoride and water. SnF2(s)+H2(g) 
Maths
A closed tin is in the shape of a cylinder of diameter 10cm and height 15cm. Use the value 3.14 for pier to find A.the total surface area B.the value of the tin to the r=nearest 10naira,if tin plate cost #4500 per m2 
Physical Chemistry
Three electrolytic cells containing solutions of CuNO3, Sn(NO3)2, and Fe(NO3)3, respectively, are connected in series. A current of 2.2 A is passed through the cells until 3.10 g of copper has been deposited in the cell. (a) What masses of tin and iron are deposited? tin g ... 
Math
The Recycling Department of a fast food chain is planning to have a Christmas Tree Making Contest in preparation of the upcoming Holiday Season. Part of the contest mechanics is to collect soft drinks tin cans and build a Christmas Tree out of the tin cans. If you want to join... 
physical science
You have two cups, one containing 100 g of ice at 0oC, the other containing 100 g of water at 80oC. You pour the hot water into the cup containing the ice. What do you wind up with? A) 100 g of 0oC water and 100 g of 80oC water. B) 50 g of 0oC ice and 50g of 0oC water. C) 200 ... 
Science
You have two cups, one containing 100 g of ice at 0oC, the other containing 100 g of water at 80oC. You pour the hot water into the cup containing the ice. What do you wind up with? A) 100 g of 0oC water and 100 g of 80oC water. B) 50 g of 0oC ice and 50g of 0oC water. C) 200 ... 
Chemistry
Which statement is true for the cell as it discharges? Zn  Zn2+(1 .0 M)  Sn2+(1.0 M)  Sn (A) Oxidation occurs at the tin electrode. (B) Electrons will flow from the tin electrode to the zinc electrode. (C) The concentration of Zn2+ will increase. (D) The mass of the tin ... 
Chemistry
A student is given a 5.000g sample to analyze composed of tin metal with a small amount of a zinc impurity. The student dissolves the metal in concentrated nitric acid, allows the reaction to continue to completion, and heats the mixture to leave 6.341g of solid containing ... 
Chemistry
Cadmium and a solution of cadmium(II) nitrate are used with tin and a solution of tin(II) nitrate to construct a galvanic cell. 1) The reaction run initially at standard state with 100mL samples of each solution is allowed to proceed until 8.0 g of tin has been deposited on ... 
Chemistry
A student mixed 75.0 mL of water containing 0.75 mol HCI at 25* C with 75.0 mL of water containing 0.75 mol of NaOH at 25*C in a foam cup calorimeter. The temperature of the resulting solution increased to 35*C. How much heat in kilojoules was released by this reaction? C (... 
chemistry
TO DR.BOB222 hi i have a question. It's regarding a electrolytic cells. This lab has already been posted but i wanted to show you what i have so maybe you can check it for me. question: what is the mass of tin produced? what is the theoretical mass of tin that should have been... 
chemistry
Here is the full lab: Lab: Electrolytic Cells Purpose: The purpose of this experiment is to test the method of stoichiometry in cells. Materials: Balance Steel can Tin electrode Power Source Wire lead (x2) tin(II) chloride solution (3.25 M) Timer Large beaker Procedure: Take ... 
chemistry
sorry i didn't post before.. Lab: Electrolytic Cells Purpose: The purpose of this experiment is to test the method of stoichiometry in cells. Materials: Balance Steel can Tin electrode Power Source Wire lead (x2) tin(II) chloride solution (3.25 M) Timer Large beaker Procedure... 
chemistry
Lab: Electrolytic Cells Purpose: The purpose of this experiment is to test the method of stoichiometry in cells. Materials: balance steel can tin electrode power source wire lead (x2) tin (II) chloride solution (3.25 M) timer large beaker Procedure: Take the mass of the steel ... 
Chemistry
1. Tin and oxygen gas are reacted together to form Tin (IV) oxide, a solid. If a piece of tin foil, 8.25cm x 21.5cm x 0.60mm (density = 7.28g/cm3) is exposed to oxygen and all the tin reacts, what is the mass of the oxidized tin foil? (98.4g) 2. From the information in problem... 
Calculus
I did an experiment where I had to measure how fast water flowed out of a container at different times and with different volumes. I also had to record the values into a table and graph them. (I got an exponential function). I am to answer the following questions and I do not ... 
chemistry
what is the molal concentration of tin in a solution of 5.000g of tin dissolved in 95.00 g of copper? 
science
Three equalsized pans containing distilled (pure water),ocean water (3 percent salt),and water from the Great Salt Lake in Utah (about 20 percent salt)are placed in freezer. Which of the following would be the order in which these three liquids would freeze? 1 distilled water... 
Chemistry
Which of the following substances has a ∆H°f equal to zero? I2(g) Tin(s, gray) F2(g) NaCl(s) Tin(s, white) Thank you 
Chemistry
calculate % tin by weight in tin oxide. SnO2. 78.77%? 
Chemistry
A 0.1818 g sample of sodium oxalate required 28.12 ml of a potassium permanganate solution to reach the endpoint (assume the reaction was carried out in excess acid). A 5.000 g sample of tin (II) sulfate containing potassium sulfate as an impurity was found to require 35.00 ml... 
Maths
A closed tin of milk has a diameter of 10 cm and height 16 cm , find the total surface area of the tin {take pie to be 22/7} 
Chemistry
How do you find the ratio of moles of oxygen to moles of tin? What would be the Empirical formula of tin oxide from the result of ratio? From my calculations I got the moles as: Moles of oxygen = 1.761 x 10^2 Moles of Tin = 8.944 x 10^3 Thanks! 
calculas,math
A cylindrical can is made from tin.If it can be contain liquid inside it then what is the parameter of design if we are oblige use the minimum amount of tin. 
Math
A cylindrical can is made from tin.If it can be contain 1000 m^3 liquid inside it then what is the parameter of design if we are oblige use the minimum amount of tin. 
solid mensuration
A cylindrical tin can holding 2 gal.has its height equal to the diameter of its base.Another cylindrical tin can with the same capacity has its height equal to twice the diameter of its base. Find the ratio of the amount of tin required for making the two cans with covers. 
geometry
A cylindrical tin can holding 2 gal.has its height equal to the diameter of its base.Another cylindrical tin can with the same capacity has its height equal to twice the diameter of its base. Find the ratio of the amount of tin required for making the two cans with covers.. ... 
math
Maureen fills a cylindrical tin with sugar cookies for a gift. She plans to put a ribbon around the tin and then attach a bow onto the ribbon as shown in the illustration. The bow itself will take 15 inches of ribbon. If the diameter of the tin is 9 inches, approximately how ... 
Chemistry
Tooth enamel consist mainly of hydroxyapatite (Ca5(PO4)3(OH). When tine (II) Flouride is added to toothpaste it reacts with the enamel to product a more decayresistant material fluorapatite (Ca(PO4)3F. The byproducts of this reaction are tin (II) oxide and water. What mass ... 
Business
Prepare a 600 to 700 word analysis of the relationship between humans and time. Include a description of the historical development of the human ability to conceptualize and measure time. Also, examine why humans have a need to measure time, and describe how the ability to ... 
chemistry
hey drbob222 do you think you could help me out with this lab. Lab: Electrolytic Cells Purpose: The purpose of this experiment is to test the method of stoichiometry in cells. Materials: balance steel can tin electrode power source wire lead (x2) tin (II) chloride solution (3.... 
chemistry
Here is the full lab: Lab: Electrolytic Cells Purpose: The purpose of this experiment is to test the method of stoichiometry in cells. Materials: Balance Steel can Tin electrode Power Source Wire lead (x2) tin(II) chloride solution (3.25 M) Timer Large beaker Procedure: Take ... 
physics
When a closed tin is heated, the pressure inside it increases. This happens because: The molecules move faster and each molecule strikes the walls of the tin more often. 
Chemistry
Ramesh took two beakers A and B containing hot water and cold water respectively . In each beaker he dropped a crystal of copper sulphate . He kept it undisturbed. After some time what did he observe ? Why ? 
algebra
A pound of tin is worth $2 more than a pound of copper. Three pounds of tin are mixed with 7 pounds of copper to make bronze that sells for $3.85 per pound. How much is a pound of tin worth 
Chemistry 101
A sample containing 0.0750 pounds of metal pellets is poured into a graduated cylinder initially containing 22.4 mL of water. The water level rises to 31.3 mL. calculated the density of the metal. 
DIFFERENTIATION
An open topped taking tin with a volume of 864 cm is to be constructed with a square base and vertical sides. Find the least amount of tin plate required. 
chemistry
sorry the first one didn't post properly Lab: Electrolytic Cells The purpose of this experiment is to test the method of stoichiometry in cells. Materials: balance steel can tin electrode power source wire lead (x2) tin (II) chloride solution (3.25 M) timer large beaker ... 
Algebra
Bronze is an alloy that is made of zinc, tin, and copper in a specified proportion. Suppose an order is placed for 1000 pounds of bronze. The amount of tin in this order of bronze is two times the amount of zinc, and the amount of copper is 10 pounds more than 15 times the ... 
Physics
A tin can is filled with water to a depth of 50 cm. A hole 16 cm above the bottom of the can produces a stream of water that is directed at an angle of 35degrees above the horizontal. Find the range of this stream of water. Find the maximum height of this stream of water. 
Physics
A tin can is filled with water to a depth of 37 cm. A hole 11 cm above the bottom of the can produces a stream of water that is directed at an angle of 32 degrees above the horizontal. Find the range of this stream of water. x=? Find the maximum height of this stream of water... 
Science
A tin can is filled with water to a depth of 37 cm. A hole 11 cm above the bottom of the can produces a stream of water that is directed at an angle of 32 degrees above the horizontal. Find the range of this stream of water. x=? Find the maximum height of this stream of water... 
physics
A tin can is filled with water to a depth of 30 cm. A hole 11 cm above the bottom of the can produces a stream of water that is directed at an angle of 34° above the horizontal. (a) Find the range of this stream of water. (b) Find the maximum height of this stream of water. 
Sci: Physics
A tin can is filled with water to a depth of 37 cm. A hole 11 cm above the bottom of the can produces a stream of water that is directed at an angle of 32 degrees above the horizontal. Find the range of this stream of water. x=? Find the maximum height of this stream of water... 
Physics
While stationary on a boat you are measuring the time it takes for the coin to leave your hand and hit the water.In order to measure that time you are tuned to the sound of the coin hitting the water. You know that it takes 5.5 seconds for the coin to leave your hand and hit ... 
chemistry
if 0.225 mol of tin combined with 0.450 mol sulfur, what is the empirical formula of the tin sulfide product? 
MATH
A tin is a right circular cylinder with a diameter of 6 meters and a height of 10 meters. What is the surface area of this tin, in terms of pi? 
Chemistry
What is the volume of Tin(Sn)? Mass of sample = 2.588g Initial vol. of water = 31 m/L Final vol. of water = 32 m/L 
Chemistry
35. In a calorimeter, the energy content of a substance is calculated from a measure of the temperature change in a known mass of a. iron b. air c. water d. steel C? 36. A decrease in the reactant concentration, per unit time, in a reaction is a measure of the a. heterogenous ... 
Mathes
The radius of the circular base of the larg tin is 5 cm the height is 10,5 cm .calculate the volume of the large tin of jam .use the formula v=nr2h and use n =3,14 
chemistry
Tin metal is heated with oxygen gas to yield tin(IV) oxide. Express your answer as a chemical equation. Identify all of the phases in your answer 
Chemistry
What is the molal concentration,m,of tin in a solution of 5.000grams of tin dissolved 95.000grams of copper 
chemistry
Let's say for example I have 5g of copper in a beaker. Mass would be 5g + mass of beaker. If I add any given amount of water to the beaker containing the copper, that will change the mass of the beaker containing the copper. Am I correct so far? So then if I pour out the water... 
world geography
Exports of tin and silver were the mainstays of the _______ economy for many decades. However, today, as the market for tin has declined, the country has become an exporter of other metallic ores, such as gold. 
Calculus
The rate at which water flows into a tank, in gallons per hour, is given by a differentiable, increasing function R of time t. The table below gives the rate as measured at various times in an 8hour time period. t (hours) 0 2 3 7 8 R(t) (gallons per hour) 1.95 2.5 2.8 4 4.26 ... 
chemistry
The label of a bottle containing a solution So of hydrochloric acid carries the following indications :hydrochloric acid of density 1190g/l percentage by mass 37%. We introduce a volume V=4.2ml of So in a volumetric flask of volume 500ml containing about 100ml of distilled ... 
chemistry
The label of a bottle containing a solution So of hydrochloric acid carries the following indications :hydrochloric acid of density 1190g/l percentage by mass 37%. We introduce a volume V=4.2ml of So in a volumetric flask of volume 500ml containing about 100ml of distilled ... 
physics
A pot containing 1.09 liter of water, initially at 18°C, is placed on a 1101 W electric heating element. (a) How much heat must be supplied to the water to bring it to a boil? (b) How much heat is necessary to boil all the water away? What is the minimum time required to boil... 
chemistry
2. 0.300 kilogram chloroform(chlorine calcium3)and 21.0grams eucalyptol(carbon10 hydrogen18 oxygen 3. what is the concentration of a solution of sodium chlorine water containing 1.170grams solute in 100moles solution 4, what is the % by volume of a solution containing 30.... 
science
I am still new to physics, so I'm having a rough time. When a 1kg metal pan containing 1kg of cold water is removed from a refrigerator onto a table which absorbs more heat from the room, the pan or the water? I thought it was the water, because I thought I read that water has... 
chemistry
a student mixed a 50.0mL of water containing 0.50 mols of HCl at 22.5 degC with 50.0 mL of water containing 0.50 mol NaOH at 22.5 degC in a foam cup calorimeter.the temp increases to 26.0 degC. how much heat in kJ was released by the reaction? please show how you found the ... 
college chemistry
Manometers can use liquids other than mercury to measure small pressure differences. On a day when the barometric pressure is 761.7 torr, a water manometer, connected between the atmosphere and a glass bulb containing a sample of helium gas has a height difference of 26.1 cm, ... 
Science
How can a graduated cylinder marked in milliliters be used to measure the volume of a small wooden block? Hurry up and answer this for me!!!!!! put 100ml water into the cylinder, then put the block into the water and measure how many ml are indicated on the graduated cylinder... 
chemistry
Name each of the following ionic compounds or binary molecules. a. SF2Sulfur difluoride b. MgF2Magnesium fluoride c. SnCl2Tin (II) Chloride d. PF5Phosphorus Pentafluoride e. NO2Nitrogen Dioxide f. SnO2Tin (II) Oxide 
Math  AP Calculus
The rate at which water flows into a tank, in gallons per hour, is given by a differentiable, increasing function R of time t. The table below gives the rate as measured at various times in an 8hour time period. t (hours) 0 2 3 7 8 R(t) (gallons per hour) 1.95 2.5 2.8 4 4.26 ... 
Math
In triangle ABC, the measure of C is twice the measure of A, and the measure of B is 6 times the measure of A. Find the measure of each angle 
Physics
A pot containing 2 liters of 5 celsius water is putt on a stove that is 1500 watts. Now the stove is on. How long time will it take for all of the water to boil from the pot? (turn into vapour). No heat is lost to the surroundings. 
Chemistry
How will the boiling point of a liter of water containing 1 mole of sodium chloride (NaCl) compare with that of a liter of water containing 1 mole of calcium chloride (CaCl2)? Explain your answer. 
chemistry
30. How will the boiling point of a liter of water containing 1 mole of sodium chloride (NaCl) compare with that of a liter of water containing 1 mole of calcium chloride (CaCl2)? Explain your answer 
chemistry
Will a fluoride concentration of 1.0 mg/L be soluble in a water containing 200 mg/L of calcium? I got Qsp 1.38 * 10^8 and Ksp = 3.45*10^11 does that seem right? and does this mean fluride concentration will be soluble in water containing calcium? 
math
Bronze cocnsists of 6 parts tin to 19 parts cooper. How amny pounds of tin are there in a 500 lb. bronze statue? What is the formula for getting the answer? 
Chemistry
Tin and purple Iodine combine to form an orange solid tin iodide compound. If the compound contains 0.00383 moles of Sn and 0.01534 moles of I, what is its' empirical formula? 
chemistry
What is the percent by mass of 3.55 g NaCl dissolved in 88 g H2O? 2. A solution is made by adding 1.23 moles of KCl to 1000.0 g of water. What is the % by mass of KCl in this solution? 3. If you have 100.0 mL of a 25% aqueous solution of ethanol, what volumes of ethanol and ... 
math
The interior of a typical mesung cup is a right circular cylinder of radius 6 cm. The volume of water we put in the cup is therefore a function of the level h to which the cup is filled. How closely do we have to measure h to measure out one liter of water with an error of no ... 
chemistry
A student mixed 75.0 mL of water containing 0.75 mol HCl at 25�C with 75.0 mL of water containing 0.75 mol of NaOH at 25�C in a foam cup calorimeter. The temperature of the resulting solution increased to 35�C. How much heat in kilojoules was released by ... 
math
THESE TINS ARE MATHEMATICALLY SIMILAR. ONE HOLDS 400ml AND THE OTHER HOLDS 800ml. THE HEIGHT OF THE SMALLER TIN IS 8cm. CALCULATE THE HEIGHT OF THE LARGER TIN. GIVE YOUR ANSWER TO TH NEAREST MILLIMETRE.