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3 years ago

What was the robotic vehicle Opportunity designed to do?

Chemistry

2 answers:

Rainbow [258]3 years ago

8 0

Answer:

C. determine the chemical composition of rocks and soil on Mars

Explanation:

Opportunity-Robotic vehicle was sent on Mars in 2003 and it became active on its surface from 2004 to mid 2008. Opportunity is also known as Mars Exploration Rover B (MER-B).

The main goals of this mission were:

1. To find if there is any scope for life to exist on the planet (to find presence of water)

2. To find about climate and geology of the planet so that humans can be sent in future on the planet.

This includes the determining the chemical composition of the rocks and soil on Mars.

mestny [16]3 years ago

6 0

I believe the answer is C

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What pressure is required to compress 196.0 liters of air at 1.00 atmosphere into a cylinder whose volume is 26.0 liters?

Leto [7]

7.54 atm kf im correct

3 0

3 years ago

When magnesium reacts with hydrochloric acid, hydrogen gas is formed: 2HCl + Mg → H2 + MgCl2. What is the volume of hydrogen pro

Maksim231197 [3]

Answer:- C. 16.4 L

Solution:- The given balanced equation is:

$2HCl+Mg\rightarrow H_2+MgCl_2$

From this equation, there is 2:1 mol ratio between HCl and hydrogen gas. First of all we calculate the moles of hydrogen gas from given grams of HCl using stoichiometry and then the volume of hydrogen gas could be calculated using ideal gas law equation, PV = nRT.

Molar mass of HCl = 1.008 + 35.45 = 36.458 gram per mol

The calculations are shown below:

$49.0gHCl(\frac{1molHCl}{36.458gHCl})(\frac{1molH_2}{2molHCl})$

= $0.672molH_2$

Now we will use ideal gas equation to calculate the volume.

n = 0.672 mol

T = 25 + 273 = 298 K

P = 101.3 kPa = 1 atm

R = $0.0821\frac{atm.L}{mol.K}$

PV = nRT

1(V) = (0.672)(0.0821)(298)

V = 16.4 L

From calculations, 16.4 L of hydrogen gas are formed and so the correct choice is C.

7 0

3 years ago

If the same amount of heat is added to 5.00 g samples of each of the metals below, which metal will experience the smallest temp

Y_Kistochka [10]

Answer: -

Lower the specific heat capacity of the metal, more the amount of heat would be required to raise the temperature to the same extent.

So for the same amount of heat added to 5.00 g samples of metals, the metal with the lowest specific heat capacity would experience the smallest temperature change.

For example, if the elements are Al, Au ,Cu and Fe, then Au would experience the smallest temperature change due to least specific heat capacity.

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3 years ago

Definition: This is an acid that does not dissociate 100% into its ions. HA<-> H+ + A-

Vedmedyk [2.9K]

Answer: Weak Acid

Explanation: I took this on USATESTPREP.

6 0

3 years ago

Do all atoms only have one oxidation state

MA_775_DIABLO [31]

I believe so! If not tell me So I can delete this