User Account

All Pages

A 500 g chunk of potassium is dropped into 100 kg water at

Assignment Help Chemistry
Reference no: EM13345544

2K+2H_2 O →2KOH+ H_2

A 5.00 g chunk of potassium is dropped into 1.00 kg water at 24 deg C. What is the final temperature of the water after the preceding reaction occurs? Assume that all the heat is used to raise the temperature of the water

Reference no: EM13345544

Questions Cloud

What are the industrial uses of iodine : what are the industrial uses of iodine
A sample of mgcl2 is known to be contaminated with nacl a : a sample of mgcl2 is known to be contaminated with nacl. a 3.47-g portion of the sample is dissolved in water and
Sand and iron particales that are similar in size and : sand and iron particales that are similar in size and color are mixed together in a beaker. what would be the best
Determine the molar ratio of nabh4 to benzophenone that : determine the molar ratio of nabh4 to benzophenone that you actually used in the experiment. why do you think that it
A 500 g chunk of potassium is dropped into 100 kg water at : 2k2h2 o rarr2koh h2a 5.00 g chunk of potassium is dropped into 1.00 kg water at 24 deg c. what is the final temperature
The volume of a manifold used to transfer gases is : the volume of a manifold used to transfer gases is calibrated using boyles law. a 0.251-dm3 flask at pressure of 697
010 m potassium chromate is slowly added to a solution : 0.10 m potassium chromate is slowly added to a solution containing 0.50 m agno3 and 0.50 m bano32. what is the ag
A 250-kg crate b is suspended from a cable attached to a : a 250-kg crate b is suspended from a cable attached to a 20-kg trolley a which rides on an inclined i-beam as shown.
The vessel contains 200 moles of hydrogen 200 moles of : three gases hydrogen argon and methane are confined in a 9.00 l vessel at a pressure of 14.0 atm. the vessel contains

Reviews

Write a Review

Chemistry Questions & Answers

  What is the specific heat for the metal

It takes 50.0J to raise the temperature of an 12.0g piece of unknown metal from 13.0 C to 24.0 C. What is the specific heat for the metal?

  How many gram of hcl reacted

If 1.26 L of H2 gas are formed at STP, how many gram of HCl reacted? The reaction is Zn(s) + 2HCl(aq) ( H2(g) + ZnCl2 (aq)

  State how much does the chemical potential of carbon dioxide

By how much does the chemical potential of carbon dioxide at 310K an 2.0 bar differ from its standard value at that temperature

  What is the isentropic work required for the ideal gas case

What is the isentropic work required for the ideal gas case? C) If the comppressor has an efficiency of 0.78 and is NON-ideal, what is the final temp and required work?

  What is the empirical formula for this compound

A sample of an ionic compound that is often used as a dough conditioner is analyzed and found to contain 7.591 g of potassium, 15.514 g of bromine, and 9.319 g of oxygen. What is the empirical formula for this compound? What is its chemical name?

  Evaluate the cell potential for a galvanic cell

Calculate the cell potential (emf) for a galvanic cell at 298 K composed of a standard aluminum electrode (Al metal and Al 3+ ions at 1.0 M) and a standard cadmium electrode (Cd metal and Cd 2+ ions at 1.0 M.)

  Compute molality and mole percent of acid

A solution of acetic acid is 40% m/m with density = 1.045 g/mL. Calculate molarity, molality, and mole percent of the acid. Molecular weight of acetic acid = 60.05 g/mol

  State the energetics of change of h and change of s values

considering the energetics of change of H and change of S values of solute/solvent interation, solvent/solbent interactions and aolut/solvent interactions

  Explain when a he atom absorbs a photon to form

When a He atom absorbs a photon to form the excited configuration 1s^1 2s^1 (here called He*) a weak bond forms with another He to form the diatomic molecule HeHe*. Construct a molecular orbital description of the bonding in this species.

  Explain the solvents are acetone and isopropyl and ethanol

what does the equation (particularly the products) for 2-chloro-2-methylpropane and 2-bromo-2-methylpropane look like? The solvents are acetone, isopropyl, and ethanol.

  Benzoyl peroxide the substance most widely used against acne

Benzoyl peroxide, the substance most widely used against acne, has a half-life of 9.8 103 days when refrigerated. How long will it take to lose 7% of it potency (93% remaining)

  Burning something is the combining with oxygen.

Burning something is the combining with oxygen. Hydrocarbons, such as methane, ethane, octane (for automobiles)., combine with oxygen to form carbon dioxide and water. These combustion reactions all release energy and are all exothermic.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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