3 years ago

Which piece of technology allowed scientists to look for life on Mars? a telescope a rover a microscope probeware

Chemistry

2 answers:

Rzqust [24]3 years ago

8 0

Answer:

<h2>A Rover</h2><h2 />

I hope this helps

Nana76 [90]3 years ago

6 0

Answer:

A rover

I hope this helps!

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A container with a specific volume “V” changes to “2V.” What happens to the average distance between gas molecules? Assume that

lara [203]

As the volume increases, there is more space so the average distance between the gas molecules also increases.

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3 years ago

Read 2 more answers

What will be the final temperature when a 25.0 g block of aluminum (initially at 25 °C) absorbs 10.0 kJ of heat? The specific he

atroni [7]

LET'S PUT IN WHAT WE KNOW!!!
Q
=
725 J
m
=
55.0 g
c
=
0.900 J/(°C⋅g)
Δ
T
=
final temperature - initial temperature
Δ
T
=
(
x
−
27.5
)
°C
We solve for
Δ
T
.
725 J
=
55.0 g
⋅
0.900 J/(°C⋅g)
(
x
−
27.5
)
°C
NOW IT'S JUST BASIC ALGREBRA
725
=
49.5
x
−
1361
2086
=
49.5
x
42.1
=
x
The final temperature is 42.1 °C.

4 0

3 years ago

State of matter

Nina [5.8K]

Answer:

H₂

Explanation:

To solve this question we must find, as first, find the molar mass of the homonuclear diatomic gas using Graham's law. With the molar mass we can identify this gas

<em>Graham's law:</em>

$\frac{V_a}{V_b} =\sqrt{\frac{m_B}{m_A} }$

<em>Where V is the speed of the gases and m the molar mass of those:</em>

<em>As Va is 3.98 times Vb (And mB is molar mass of oxygen gas = 32g/mol)</em>

$3.98 =\sqrt{\frac{32g/mol}{m_A} }$

15.84 = 32g/mol / mA

mA = 2.02g/mol

As is a homonuclear diatomic gas, the molar mass of the atom is 1.01g/mol. Thus, the gas is:

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3 years ago

Which of the following molecules nonpolar?

kap26 [50]

Answer:

CHC13

Explanation:

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4 years ago

What products are always made when any carbon-based fuel

IRISSAK [1]

Answer:

B) carbon dioxide and water

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3 years ago