User Account

All Pages

What is the mass in mg of 25 x 1018 atoms of americium-241

Assignment Help Chemistry
Reference no: EM13372490

What is the mass in mg of 2.5 x 10^18 atoms of Americium-241 present in the smoke detectors if A tiny speck of radioactive Americium-241 (241.06 g/mol) is used in smoke detectors.?

Determine the pH of the solution resulting from the combination of 40.0 mL of 0.200 M Perchloric acid  HClO4 to 20.0 mL of 0.150 M Sodium hydroxide,  NaOH?

Reference no: EM13372490

Questions Cloud

Determine the volume of co2 at a temperature twenty two : determine the volume of co2 at a temperature twenty two degree celsius and a pressure of 781 mmhgnbsp could be absorbed
During a breath the average human lung expands by about 050 : during a breath the average human lung expands by about 0.50 l. how much work in rm j is done during the expansion if
When the initial concentration of reactant is 071 m a : when the initial concentration of reactant is 0.71 m a second-order reaction has a half-life of 18 s then determines
Te rate constant for a particular second-order reaction : the rate constant for a particular second-order reaction 0.47 m-1s-1 the initial concentration of reactant 0.25 moll
What is the mass in mg of 25 x 1018 atoms of americium-241 : what is the mass in mg of 2.5 x 1018 atoms of americium-241 present in the smoke detectors if a tiny speck of
Determine the numbers of oxygen molecules are required for : determine the numbers of oxygen molecules are required for each molecule of c6h12o6 glucose that is oxidized if glucose
Compute the hydroxide ion concentration in a nh3 solution : compute the hydroxide ion concentration in a nh3 solution that is 0.091 m and 0.028 m nh4cl. kb of nh3 is 1.8 x
A sample of 1000 mlnbsp of 010 m ammonia nh3 is titrated : a sample of 100.0 mlnbsp of 0.10 m ammonia nh3 is titrated with hno3 of 0.10 m. find out the ph of the solution after
Determine volume of na2s2o3 sodium this sulfate and h2o : determine volume of na2s2o3 sodium this sulfate and h2o water are required to produce an estimated 0.10 m solution

Reviews

Write a Review

Chemistry Questions & Answers

  200 x102 ml of 744 m hcl is mixed with 200 x 102 ml of 372

2.00 x102 ml of .744 m hcl is mixed with 2.00 x 102 ml of .372 m baoh2. how many moles of water are produced in the

  How many liters of h2 at 23.0c and 733mm hg are released

How many liters of H2 at 23.0C and 733mm Hg are released when 1.98g of Na reacts with unlimited water?

  State mechanism of sodium chlorophenolate

How would you write the Sn2 mechanism of sodium chlorophenolate with sodium chloroacetate?

  Explain what is the name of the chemical used in sweet

What is the name of the chemical used in Sweet 'n Low? Draw the structure. Why was a temporary restriction placed on the use of this sweetener? What is the Delaney Amendment?

  Explain the 3'' end of eukaryotic mrna during rna processing

What is added to the 3' end of eukaryotic mRNA during RNA processing, and what is its function

  What is the concentration of li+ in the original solution

If 5 mL of the original unknown sample was diluted to 200 mL prior to analysis, what is the concentration of Li+ in the original solution?

  Compute the molar mass of hemoglobin

Hemoglobin is the protein that transports oxygen in mammals. Hemoglobin is 0.342% Fe by mass, and each hemoglobin molecule contains four iron atoms. Calculate the molar mass of hemoglobin

  Compute the solubility of mx in strong acid

For the compound MX, Ksp is 2.00 × 10-11. The anion X- forms the weak acid HX (Ka = 1.8 × 10-5). Calculate the solubility of MX in 10.00 M strong acid.

  Explain the partial pressure of o2

A mixture of N2 and O2 gases are in a 2.0L container at 23 degrees C and at a total pressure of 1.00 atm.

  Calculate the number of excess reagent units remaining

calculate the number of excess reagent units remaining when 84 C2H4 molecules and 270 O2 molecules react?

  Define what is the partial pressure of oxygen in the mixture

A gaseous mixture of O2 and N2 contains 37.8% nitrogen by mass. what is the partial pressure of oxygen in the mixture if the total pressure is 325 mmHg

  Explain 2-bromo-2-methylbutane

2-bromo-2-methylbutane + H2O. What does that look like when it is drawn? It is an SN1 reaction

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