Explain reactions as combination and decomposition

Assignment Help Chemistry
Reference no: EM13246384

Classify each of the following reactions as combination, decomposition, single replacement, or double replacement: a) CuO(s)+2HCl(aq)-->CuCl2(aq)+H2O(l); b) 2Al(s)+3Br2(g)-->2AlBr3(s); c)Pb(NO3)2(aq)+2NaCl(aq)-->PbCl2(s)+2NaNO3(aq); d)2Mg(s)+O2(g)-->2MgO(s)

Reference no: EM13246384

Questions Cloud

What was the outcome of the korean war : What was the outcome of the Korean war? How has it affected the relationship between North and South Korea today? I need to talk about the role of North Korea in the world political sphere and I need help with some background information.
How the tax affects the market for roquefort cheese : Show how this tax affects the market for Roquefort cheese in the United States,shifting the appropriate curve and indicating a new equilibrium quantity and market price.
Minimizing the effects of external variables : Discuss the importance of minimizing the effects of external variables in social science research and the problems that may encounter if this is not accomplished.
Find ratio of the sailing speed and non-sailing speed : The wings on a stonefly do not flap, and thus the insect cannot fly. However, when the insect is on a water surface, What is the ratio of the sailing speed vs to the average non-sailing speed vns
Explain reactions as combination and decomposition : Classify each of the following reactions as combination, decomposition, single replacement, or double replacement: a) CuO(s)+2HCl(aq)-->CuCl2(aq)+H2O(l); b) 2Al(s)+3Br2(g)-->2AlBr3(s); c)Pb(NO3)2(aq)+2NaCl(aq)-->PbCl2(s)+2NaNO3(aq); d)2Mg(s)+O2(g..
What were the events leading up to the cold war : What were the events leading up to the Cold War? And why is it considered a “war” when there were no actual battles?
Explain carbon monoxide gas to produce nitrogen gas : Write a balance equation using the correct formulas and including conditions (s, l, g, or aq) for each of the following reactions: a) solid calcium carbonate decomposes to produce solid calcium oxide and carbon dioxide gas. b) Nitrogen oxide gas r..
What is index num was created to track cost of construction : a cost index was created to track the cost of construction ina particular county. 25 years ago the costs of construction was $12 per square foot so the index was set at 100 that first year this past year revealed the cost at $72 per square
Violence at work - westside health systems : Rhonda Carter reported that one pharmacy technician, Susan Miller, had allegedly assaulted another, Brenda Lawson, in the receiving area of the main hospital pharmacy.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain equal concentration rank these solution by ph

Assume equal concentration rank these solution by PH : HBrO(aq), Sr(OH)2 (aq)

  State the reactions and explain

When an alkyne, such as but-2-yne, is subjected to D2 and palladium, 2 equivalents of D2 are added. When an alkene, such as cis-but-2-ene, is subjected to these conditions, only 1 equivalent of D2 is added. When an alkane, such as butane is subjec..

  How much mno2 should be reacted with excess hcl

Chlorine gas can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid. How much MnO2 should be reacted with excess HCl to obtain 275 mL of chlorine gas at 5.0 °C and 650 mmHg?

  Find a block of aluminum initial temperature

A block of aluminum with a volume of 98.5cm^3 absorbs 68.4J of heat. If its initial temperature was 31.9 degrees celsius, what is its final temperature

  Explain what is the value of kb for the unknown base

Benzoic acid is used to titrate an unknown base, and the pH of solution is recorded during the titration. Halfway to the ultimate endpoint of the titration, the pH of solution was recorded at 7.64. What is the value of Kb for the unknown base?

  Define one mole of an ideal gas from a starting volume

How much work is done reversibly compressing one mole of an ideal gas from a starting volume of 1L to a final volume of 250mL at a constant temperature of 293K? What is the change in entropy?

  Explain how many moles of ch4 gas could effuse

3.2 x 10-3 moles of O2 gas effuse from a container in 10.0 minutes. How many moles of CH4 gas could effuse from the same container in 10.0 minutes under the same conditions

  Compute the activation energy for reaction

The rate constant of a reaction increases by a factor of 2 when the temperature is increased by 10C above room temperature (25C). Calculate the activation energy for this reaction.

  Define what is the energy of activation

A plot of k versus 1/T has a slope of -7, 445. What is the E_a (energy of activation) for this reaction? OPTIONS: A. 90.79 kJ/mol B. 895.5 kJ/mol C

  What amount of energy is required to melt ice

What amount of energy is required to melt a 13.5 g piece of ice at 0oC to form liquid water at the same temperature of 0? The heat of fusion of water = 333 J/g , T he specific heat of H2O is approx. constant at 4.18 J/g x C.

  How many moles of co(nh2)2 are presen

How many moles of CO(NH2)2 are present in 105 g of water, if the freezing point of the solution is -4.02C? kf(water) = 1.86 K · kg/mol.

  Explain the appearance of the analyte with the continued

The Eriochrome Black T indicator is mistakenly omitted. what is the color of the analyte (standard Ca^2+ solution)? Describe the appearance of the analyte with the continued addition of the Na^2H^2Y solution? Explain?

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