A sliver bar 0.125 meter long is subjected to a temperature change from 200C to 100C.What will the length of the bar after the temperature change?
See the aluminum question. I will be happy to critique your work and thinking.
A silver bar 0.125 meter long is subjected to a temperature change from 20C to 100C. What will be the lenght of the bar after the temperature change
Answer this Question
Which observation most likely indicates that a physical change has taken place?(1 point) A. A reaction occurs. B. An odor occurs. C. The temperature increases. D. The process is reversible. Why is freezing water a physical change?(1 point) A. A temperature
- asked by Anonymous
Riding the bus, Roger uses one-third of his money for bus fare. What is the fraction of his money expressed as a decimal? A. The term states the decimal 0.3 repeating. B. 0.6 with bar C. 0.8 with bar D. 1.5 with bar
- asked by Bren
One mole of titanium (6 1023 atoms) has a mass of 48 grams, and its density is 4.54 grams per cubic centimeter, so the center-to-center distance between atoms is 2.60 10-10 m. You have a long thin bar of titanium, 2.4 m long, with a square cross section,
- asked by hannah
During a manufacturing process, a metal part in a machine is exposed to varying temperature conditions. The manufacturer of the machine recommends that the temperature of the machine part remain below 141°F. The temperature T in degrees Fahrenheit x
- asked by Helen
One of the effects of climate change is the warming of ocean and air temperatures. The sex of sea turtle offspring is determined by temperature during development. Temperature over 87° Fahrenheit will result in female offspring. In 2-5 sentences, describe
- asked by math can kma
A wet bar of soap slides freely down a ramp 12.0 m long, inclined at 74.0 degrees. How long (in seconds) does it take to reach the bottom? (Neglect friction.)
- asked by jess
which of the following expressions shows the equation to use in the finding the dimensions of a cube N by N by N with a volume 125 1) n3=125 2) n2=125 3) 3n=125 4) n=125/3 5) not enought info given need help with this problem!!
- asked by Angel
These are some lab questions from the following lab: Vapor Pressure and Enthalpy of Vaporization of Water 1. Why does vapor pressure change with temperature? 2. The assumption was made that the vapor pressure of water is negligible at a temperature close
- asked by anonymous
A piece of solid copper,at 10c is dropped into a graduate cylinder of 100c water.Which statement BEST describes the change in heat energy in this system?
- asked by kevin
a sliver coin and a gold coin each have a mass of exactly 6.6 grams the specific heat of sliver is 0.235j/g.degrees celcius and the specific heat of gold his 0.130j/g. degrees celcius what coin requires more heat to raise its tempreature by 40 degrees
- asked by nikita
A 500.0 g bird is flying horizontally at 2.25 m/s, not paying much attention, when it suddenly flies into a stationary vertical bar, hitting it two-thirds of the way up from the bottom. The bar is uniform and very thin, is 0.750 m long, has a mass of 1.50
- asked by Alex
Let x represent the number which shows up when a balanced die is rolled. Then x is a random variable with a uniform distribution. Let x-bar denote the mean of the numbers obtained when the die is rolled 32 times. For samples of size 32, which of the
- asked by J
Calculate the heat change at 100C in each of the following problems.Indicate whether heat was absorbed or released. a. calories to condense 10.0 g of steam b. kilocalories to condense 75g of steam c. kilocalories to vaporize 44 g of water.
- asked by Nova Southeastern University
Calculate the work done in joules when 1.0 mole of water vaporizes at 1.0 atm and 100C. Assume that the volume of liquid water is negligible compared with that of steam at 100c, and ideal gas behavior
- asked by Monty
For the exothermic reaction PCl3(g)+Cl2(g)⇌PCl5(g) K = 0.160 at a certain temperature. A flask is charged with 0.507 bar PCl3 , 0.507 bar Cl2, and 0.304 bar PCl5 at this temperature. What are the equilibrium partial pressures of PCl3 , Cl2, and PCl5,
- asked by Miranda
how long would it take for 1.50 mol of water at 100C to be converted completely into steam if heat were added at a constant rate of 18.0J/s?
- asked by Anonymous
Thermal ENERGU UNIT TEST
1.In which case would the kinetic energy of particles be increasing? ANSWER: Metal is heated from room tempature to 200C 2.Water boils at 100°C and turns into steam. Which similarities or differences are there between water at 100°C and steam at 100°C?
- asked by Yikes
Predict how the entropy of the substance is affected in the following processes: a) O2 (g,200 kPa, 300k) --> O2 (g, 100, 300k) b)Br2 (l, 1 bar, 25 degree C) --> Br2 (g, 1 bar, 25 degree C) C)Fe (s, 1 bar, 250 degree C)--> Fe(s, 1 bar, 25 degree C) will
- asked by Alexis
Edith wants to cut pieces of ribbon 1/3 meter long from a piece of 5/6 meter.how many pieces can be cut?
- asked by wilmar
The diameter of a hydrogen atom is about 5×10^-11 meter. Suppose 8.4×10^8 hydrogen atoms were arranged side by side in a straight line. Multiply these numbers to find the length of this line of atoms. What is the length in scientific notation?
- asked by Claire