Means of communication between humans and other planets

Assignment Help Chemistry
Reference no: EM13159646

As space exploration increases, means of communication between humans and other planets are being developed. How much time(in s) does it take for a radio wave of frequency 8.93*10^7 s^-1 to reach Mars, which is8.10*10^7 Km from earth?

Reference no: EM13159646

Questions Cloud

What is the empirical formula and the molecular formula : a compound contains 87.7% carbon and 14.3% hydrogen.its relative molecular mass is 70.what is the empirical formula and the molecular formula.and is it an alkane or alkene
Calculate the percentage change in the money supply : Calculate the percentage change in the money supply if the cash reserve ratio were instead reduced to 6%. Explain your results and illustrate your answers in both cases with the appropriate diagrams.
Calculate the number of atp molecules : Calculate the number of ATP molecules that can be harvested during complete oxidation of an 18 carbon fatty acid.
How many liters of acetylene gas are produced : During the late 1800's, hard rock miners replaced candles with carbide lamps for work in mine shafts. The lamps worked by dripping water onto calcium carbide that generated acetylene gas (H2C2) that was burned
Means of communication between humans and other planets : As space exploration increases, means of communication between humans and other planets are being developed
How much carbon dioxide will be produced : If 116g of butane burns in the presence of 320g of oxygen how much carbon dioxide will be produced
How many kg of koh will be required : A vat contains 2.29 M sulfuric acid solution. How many kg of KOH will be required to react completely with (neutralize) 882 L of the solution?
Explain compound''s h nmr spectrum : Each of four compounds shown has one signal in the aromatic region and one signal in the alkyl region of its H NMR spectrum. Use the integral values to determine which compound's H NMR spectrum is shown below
Which library procedures issue system calls : With respect to a programmer, a system call looks the same as a call to a library procedure. Is a programmer required to identify which library procedures issue system calls? Explain your answer.

Reviews

Write a Review

Chemistry Questions & Answers

  How many moles of alcl3 are formed

A student takes 148. g of BaCl2, and reacts it according to the following equation:  3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3 How many moles of AlCl3 are formed?

  How much heat is absorbed

How much heat is absorbed when 5.53 mol of NH4NO3 solid is dissolved in water? (Heat of soluton = 25.7 kJ/mol)

  What will the volume of this gas be

the temperature of a 4.00L sample of gas is changed from 10.0c to 20.0c. what will the volume of this gas be at the new temperature if the pressure is held constant?

  How many 107 ag atoms are present

The natural abundance of 107 Ag is 51.84%. How many 107 Ag atoms are present in a piece of silver weighing 150 mg?

  How much electrical power can be generated

Wind provides a source of renewable energy that is increasingly being tapped. Modern wind tubines can conbert up to 30% of the kinetic energy of the incoming wind blowing through their blades to electicity.

  Calculate the concentration of a red dye solution

Calculate the concentration of a red dye solution with an absorbance of 0.617. If you have 5.78ml of the solution how many mg of red dye are found in the solution.

  Determine the mole fraction of component

Determine the mole fraction of each component to at least three significant figures.

  Explain isopropyl alcohol

Isopropyl alcohol (I.P.A.) has a flash point of 53 degrees Fahrenheit. The outside temperature is 68 degrees Fahrenheit. While this product is being unloaded from a truck

  Calculate the vapour pressure in torr of the compound

The entropy of sublimation of a certain compound is 7.2 J / K mol at its normal sublimation point of 76 C. Calculate the vapour pressure in torr of the compound at 28 C.

  What was the final temperature of the gold

A 4.60 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C? The specific heat of gold is 0.129 J/(g·°C).

  What is the pressure of the gas collected

If the barometric pressure is 784 torr and the experiment is carried out at 25 oC, what is the pressure of the gas collected?

  What volume of 0.150 mol /l ba(oh)2 is needed

What volume of 0.150 mol /L Ba(OH)2 is needed to neutralise 476 mL of 0.178 mol/L HCl?

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