What is the mass of the steel bar

Assignment Help Chemistry
Reference no: EM13131347

125 mL of H_2O is initially at room temperature (22.0C). A chilled steel rod at 2.0C is placed in the water. If the final temperature of the system is 21.5C, what is the mass of the steel bar?

Reference no: EM13131347

Questions Cloud

Recurrence relations-stirling numbers : A Stirling number Snk is definedc as the number of ways of partitioning the set of positive numbers (1,2,3,....n) into k non empty subsets.
Does opportunity cost play a role in bequest decisions : Who are maximizing their rational choice, the Japanese or the Americans and which of the three forms would Adam Smith agree is the best choice?
Describe how these products are produced by showing : Explain how these products are produced by showing the mecahnism involved. (draw).
What are the total variable expenses : For Garland Company, sales is $1,000,000, fixed expenses are $300,000, and the contribution margin ratio is 36%. What are the total variable expenses?
What is the mass of the steel bar : 125 mL of H_2O is initially at room temperature (22.0C). A chilled steel rod at 2.0C is placed in the water. If the final temperature of the system is 21.5C, what is the mass of the steel bar?
Find variance and standard deviation of smokers in a sample : Given that 30% of US adults are smokers, find the average of the random variable X= # of smokers in a random sample of 50 residents of the USA, also find the variance and standard deviation of X.
Compute the company residual income for the year : Midlands Design Ltd. of Manchester, England, is a company specializing in providing design services to residential developers. Last year the company had net operating income of £400,000 on sales of £2,000,000.
Rhetorical mode other than compare-contrast : If you were allowed to choose a rhetorical mode other than compare-contrast, what type of essay would you choose to write for your final essay? Why?
What is the pressure in the vessel : A gas sample containing 0.3525 moles of a compound is trapped in a 2.641 liter vessel on a manifold at a temperature of 28.4 oC. What is the pressure in the vessel,

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the amount of hcn formed

If a sample of 0.190 grams of KCN is treated with an excess of HCL, calculate the amount of HCN formed, in grams.

  How much heat is required

How much heat is required to warm 12.0 g of ice, initially at -11.0 C, to steam at 113.0 C?

  Define the solubility of silver phosphate in pure water

The solubility of silver phosphate in pure water and Na3PO4, Silver Phosphate, Ag3PO4, is an ionic compound with a solubility product constant Ksp of 206 x 10 ^ - 18.

  Calculate the mass of propylene glycol

Calculate the mass of propylene glycol that must be added to .360 kg of water to reduce the vapor pressure by 2.87 torr at 40 degrees celsius (Ph20 at 40 degrees = 55.3)

  How many milliliters of .45m hydrochloric acid must be added

how many milliliters of .45M hydrochloric acid must be added to 25.0 mL of 1.00 M potassium hydroxide to make a neutral solution?

  How many moles of cu2o can be produced

how many moles of Cu2O can be produced from the reaction of 0.66 mol Cu with 0.40 mol O2?

  Calculate the final temperature of the solution

Calculate the final temperature of the solution has a specific heat capacity =4.18 J/°C · g. assuming no heat lost

  Calculate the ph of given solution

Calculate the pH of this solution? if we want to lower the pH by one unit of this solution then How many mL of 0.1 M H 3 PO 4 should be added to this solution?

  Define reactions of alcohols

Reactions of Alcohols, Show how ethanol and cyclohexanol may be used to synthesize cyclohexyl ethyl ether using tosylation followed by Williamson ether synthesis.

  What is the percent by mass of silver nitrate in this soln

A 93 gram solution of silver nitrate contains 16 grams of AgNO3. What is the percent by mass of silver nitrate in this solution?

  How many seconds would it take to swim

The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s. At this rate, how many seconds would it take to swim 0.800 miles.

  Fundamentals of acids and bases

Fundamentals of acids and bases - Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. Find the molar concentration of these ions in water at 25 o C?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd