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

  What would the volume of the oxygen be

A certain mass of oxygen was collected over water when potassium chlorate was decomposed by heating. The volume of the oxygen sample collected was 870 mL at 40C and a barometric pressure of 755 torr.

  Calculate avogadro''s number

Titanium crystallizes on a body-centered cubic lattice with a unit cell edge length of 3.28 Å. The density of titanium is 4.54 g /?cm3. The atomic mass of titanium is 47.88.

  Define the complete combustion of acetylene

The air we breathe is approximetly 20% oxygen. the reaction for the complete combustion of acetylene is 2C2H2 + 5O2 ------> 4CO2+ 2H2o

  How many molecules of co are present

the concentration of carbon monoxide in a sample of air is 9.2 ppm. there are how many molecules of CO are in 1 liter of 755 torr and 23 degrees celcius

  How many grams of hydrogen are collected

How many grams of hydrogen are collected in a reaction where 1.92 L of hydrogen gas is collected over water at a temperature of 40C and a total pressure of 738 torr.

  What is the final volume of the gas

0.10 mol of argon gas is admitted to an evacuated 50cm^3 container at 20C. The gas then undergoes an isobaric heating to a temperature of 300C.

  What is the new water level in the cylinder

A graduated cylinder contains 155 mL of water. A 15.0 g piece of iron (density = 7.86 ) and a 20.0 g piece of lead are added. What is the new water level in the cylinder?

  What is the mass percent yield

if 58.7L of H2 are collected over water at 20C and 758 torr, what is the mass percent yield? (vapor pressure of water at 20C is 17.5torr)

  What is the percent yield of the reaction

What is the theoretical mass of xenon tetrafluoride that should form when 130 g of xenon is reacted with 100 g of F2? What is the percent yield if only 145 g of XeF4 is actually isolated?

  What volume in ml of 0.075 m naoh is required

What volume in mL of 0.075 M NaOH is required to neutralize the following solutions? A. 200 mL of a 0.0500 M H2C2O4(diprotic acid) solution.

  Explain a laboratory method of preparing oxygen gas involves

A laboratory method of preparing oxygen gas involves decomposition of solid potassium chlorate. The products of the reaction are solid potassium chloride and oxygen gas.

  How many grams of calcium sulfate are formed

When 4.220 g of calcium hydroxide is reacted with a 30.0 mL of a 0.200 M sulfuric acid solution how many grams of calcium sulfate and water are formed?

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