Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Chemistry Expert

To find out the time taken for a radioactive element to decompose.

The thermal decomposition of a compound is of first order. If the half life of the compound is 120 min, how long will it take for 90 percent of the compound to decompose?

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M919203

Have any Question? 


Related Questions in Chemistry

Question 1in contrast to going without food the human body

Question 1 In contrast to going without food, the human body can survive only about __________ days without water. A. 3 B. 7 C. 11 D. 15 Question 2 Which of the following sources of water is most likely to contain contam ...

1 what is the mass of 38 molecules of so3nbspin g2 what

1) What is the mass of 38 molecules of SO 3  in g? 2) What volume in L of chlorine at 30 o C and 743 torr is required to react completely with 4.76 g aluminum: 2Al(s) + 3Cl 2 (g) → 2AlCl 3 (s) Calculate the moles chlorin ...

A 400g sample of an ideal gas occupies 124l at 23 degrees

A 4.00g sample of an ideal gas occupies 1.24L at 23 degrees Celcius and 1.12bar. What will be its volume at 14 degrees Celcius and 1.50bar?

A mixture of gases has the partial pressures of 0308 atm

A mixture of gases has the partial pressures of 0.308 atm due to He, .259 atm due to N2, and the rest is due to O2. If the total pressure of the mixture is 752 mmHg, what is the partial pressure due to oxygen?

A 15-gram sample of neon is placed in a sealed container

A 15-gram sample of neon is placed in a sealed container with a constant volume of 8.5 liters. If the temperature of the container is 27ºC, which of the following expressions gives the correct pressure of gas? The ideal ...

Titanium reacts with hydrogen peroxide in 100 m sulfuric

Titanium reacts with hydrogen peroxide in 1.00 M sulfuric acid to form a colored complex. If a 2.00x10^-5 M solution absorbs 31.5% of the radiation at 415 nm, what would be: the absorbable, the transmittance, and the per ...

1nbspcalculatenbspthe grams of na2co3nbsprequired to

1. Calculate the grams of Na 2 CO 3   required to prepare 250.0 mL of 0.375 M Na 2 CO 3  solution. 2. The reaction of sodium carbonate with hydrochloric acid produces carbonic acid and sodium chloride. If 25.00 mL of O.0 ...

Write three reactions for the oxidation of pyrite and

Write three reactions for the oxidation of pyrite and explain how these can result in the production of acid waters that are enriched in trace metals and metalloids.

You are provided with 200ml of 05moll-1 hydrochloric acid

You are provided with 200ml of 0.5molL-1 hydrochloric acid in which has been dissolved in a small quantity of anhydrous sodium carbonate. When titrated, 25ml of this solution requires 20.5ml of 0.5molL-1 sodium hydroxide ...

A draw all possible stereoisomers of a) Draw all possible stereoisomers of

a) Draw all possible stereoisomers of 1,4-dimethylcyclohexane. b) What is the stereo chemical relationship between all of them? c) Rate them according to their stability.

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen