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3 years ago

List three limitations of human space travel

2 answers:

4 0

One of the biggest problem is radiation. Once you get out if the earth's magnetic field you have your astronauts exposed to solar radiation.
Even sending a team to mars is not possible because the radiation would almost certainly kill them. Until some way is figured out to shield the astronauts from the sun's radiation and other cosmic radiation we are pretty much stuck.

Vika [28.1K]3 years ago

3 0

<span>another limitation is the span of the human life. assuming that you want to go outside of the solar system, it is much too far to travel for a human.
in addition there is the speed limitation. of course, Einstein predicts that in order to travel at the speed of light, the substance must have no mass. therefore, it is impossible for a human - let alone a spaceship - to travel at that speed, crushing our dreams of interstellar travel (in a human lifespan).

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Which of the following occurs when a reaction in a solution is at equilibrium and more product is added to the solution?No chang

LenaWriter [7]

Answer:

Equilibrium shifts to produce more reactant

Explanation:

<em>Le Châtelier's principle</em> <em>states that when there is an dynamic equilibrium, and this equilibrium is disturbed by an external factor, the equilibrium will be shifted in the direction that can cancel the effect of the external factor to reattain the equilibrium.</em>

When more product is added to the solution:

<em>This will increase the concentration of the products side, so the reaction will be shifted to the lift side (reactants side) to suppress the increase in the concentration of Products.</em>

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<em>So, the right choice is: Equilibrium shifts to produce more reactant</em>

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3 years ago

Which types of atomic orbitals of the central atom mix to form hybrid orbitals in:<br> (c) PF₅;

zloy xaker [14]

The atomic orbitals of the central atom mix to form hybrid orbitals are one s and three p.

<h3>Which atomic orbitals are used to form hybrid orbitals?</h3>

Pauling supposed that in the presence of four hydrogen atoms, the s and p orbitals form four equivalent combinations which he called hybrid orbitals.

<h3>How many bonds does PF5?</h3>

Phosphorus pentafluoride has 5 regions of electron density around the central phosphorus atom (5 bonds, no lone pairs).

The resulting shape is a trigonal bipyramidal in which three fluorine atoms occupy equatorial and two occupy axial positions.

Learn more about PF5 here:

<h3>brainly.com/question/1565926</h3><h3 /><h3>#SPJ4</h3>

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2 years ago

the volume of a sample of chlorine gas is 8.00 liters at 45.0 °C and 0.966 atm. how many moles of chlorine are present in the sa

Anton [14]

Answer:

R=113.34464773

Explanation:

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4 years ago

How many moles of copper would be needed to make one mole of cu2o?

julia-pushkina [17]

Answer:

Explanation:

You can view more details on each measurement unit: molecular weight of Copper(I) Oxide or grams The molecular formula for Copper(I) Oxide is Cu2O. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Copper(I) Oxide, or 143.0914 grams.

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3 years ago

Difference between boiling point and freezing point

Paladinen [302]

Answer:

<em>Lower vapor pressures of a substance has an obvious effect on a</em> <em>boiling point</em>. <em>The</em> <em>freezing point </em><em>the rate at which the solid melts is equal to the rate which freezes. </em>

Explanation:

<em>In practice, small differences between these quantities can be observed. It is difficult, if not impossible, to heat a solid above its melting point because the heat </em>

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<em>Hope this helps (: </em>

8 0

4 years ago