Explain liquid antimony at its normal melting point

Assignment Help Chemistry
Reference no: EM13341465

What is H in kJ for the process of freezing a 39.2 g sample of liquid antimony at its normal melting point of 631oC? is it positive or negative? INFO boiling point = 1440oC vapH(1440oC) = 195 kJ/mol melting point = 631oC fusH(631oC) = 19.6 kJ/mol specific heat solid= 0.209 J/goC specific heat liquid = 0.259 J/goC

Reference no: EM13341465

Questions Cloud

How many watts are needed to boil water at this rate : The bottom of an aluminum pot has an area of 187 cm2 and a thickness of 5.25 mm. How many watts are needed to boil water at this rate
Explain substances are largely ionic and which are covalent : Which of the following substances are largely ionic, and which are covalent. (a) HF (b) HI (C) PbCl2 (d) BBr3 (e) NaOH (f) CH3Li
What is the skiers speed on the lower level stretch : A skier starts down a 35? slope. After a vertical drop of 31m , the slope temporarily levels out and then drops at 18? an additional 39m vertically before leveling out again. What is the skier's speed on the lower level stretch
What payments must zach taylor make to settle : During the current period, Department A finished and transferred 50,000 units to Department B. - how much overhead should be allocated to the ending goods in process inventory
Explain liquid antimony at its normal melting point : What is H in kJ for the process of freezing a 39.2 g sample of liquid antimony at its normal melting point of 631oC. is it positive or negative
Explain what is the molarity of oxalic acid : 1) How many ml of 1.00M H2SO4 solution are required to neutralize 2.10g of KOH 2) What is the molarity of Oxalic acid (H2C2O4) solution if 22.50 ml of this solution requires 35.72 ml of 0.198M NaOH for complete neutralization
Accounting differences between u.s. gaap and ifrs : Prepare dated journal entries for ABC Corporation in U.S. dollars for the incurrence and settlement of this foreign currency transaction.  ABC Corporation employs a two-transaction perspective.
Explain what molarity of a solution consisting naoh : What molarity of a solution consisting of 11.8g of NaOH dissolved in enough water to make a 300mL solution? ii. How many moles of H2SO4 are contained in 225mL of 0.75M H2SO4
Find the average power delivered to the light bulb : A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t according to the relation I = (0.703 A) sin [(257 rad/s)t]. What is the average power delivered to the light bulb

Reviews

Write a Review

Chemistry Questions & Answers

  Explain how many electrons each element must gain

circle the correct choices to indicate how many electrons each element must gain or lose to form an octet

  The structure resulting from a reaction of osmium tetroxide

Draw the structure resulting from a reaction of osmium tetroxide (OsO4) and hydrogen peroxide (H2O2) with the following alkene. If one stereogenic center is formed, draw a single specific enantiomer. If more than one stereogenic center is formed, ..

  Explain the half-life of 32p

The half-life of 32P is 14.3 days. If you begin with 4.9 ?g (micrograms) of radioactive 32P in the form of Na2HPO4, what mass remains after 28.6 days (about one month)

  What would be the ammonium chloride concentration

If 4.5 of ammonium chloride were dissolved in 200 L of water what would be the ammonium chloride concentration in mg/L

  What is the theoretical yield of carbon dioxide

what is the theoretical yield of carbon dioxide when 56.0 g of methane is burned in a excess of oxygen, according to the equation CH4 2 )2 ->CO2 ,2H2o.

  Define meta-ethylnitrobenzene and meta-bromoethylbenzene

Draw products A through E for the following series of reactions. If both ortho and para product would form, continue on only with the para product, but mention that ortho would also be a product.

  Define the total number of valence electrons

Determine the total number of valence electrons in each of the following: a) COCl2; b) N2O; c) ClO2^-; d) SeCl2; e) PBr3

  Explain what is its energy in j frequency in s

If a photon has a wavelength of 412.2 nm, what is its energy in J, frequency in s^-1, wavenumber in cm-1, and linear momentum in kg m/s

  Choose the ir frequency and number of nmr signals

Select the IR frequency and number of NMR signals that is diagnostic for either isomer a or isomer b. Isomer A: cyclopentanecarboxamide Isomer B: 6-hydroxyhexanenitrile

  Evaluate the standard potential for the cell

Calculate the standard potential for this cell at 25 °C. Standard reduction potentials can be found here.

  What is the diameter of an aluminum atom

what is the diameter of an aluminum atom? the mass of 1 mold is 27 g the density of aluminum is 2.7g mol

  Explain the decomposition of hydrogen iodide gas

How many grams of solid Iodine are produced by the decomposition of 3.8 grams of hydrogen iodide gas? Round your answer to one decimal place.

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