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NeX [460]
3 years ago
13

What is an asteroid?

Chemistry
2 answers:
Oduvanchick [21]3 years ago
6 0
Asteroids are minor planets, especially those of the inner Solar System. The larger ones have also been called planetoids.
LUCKY_DIMON [66]3 years ago
5 0
Asteroids are rocky space debris that are formed from interspacial collisions and collection of dusty particles. our solar system has an enormous asteroid belt between Mars and Jupiter.

Jupiter also has more local asteroids that are locked to its gravitational pull.

Not to be confused with a comet or meteor.
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I really need help this is for a test I will give a lot of points.
Cerrena [4.2K]

Answer:

7.7 normility and pH

Explanation:

Trust me im an 13 LEVEL COLLEGE TOUR

4 0
3 years ago
Consider these reactions:
Virty [35]

511.2 grams of chlorine gas consumed (with excess H-) when

1,342.0 kJ of energy is released from the system.

<h3></h3><h3>What is an exothermic reaction?</h3>

In thermochemistry, an exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH⚬ is negative."

Given that 1 mole of chlorine releases -184.6 energy.

Then, we have to find the number of moles of chlorine when 1,342.0 kJ of energy is released from the system.

So, calculating number of moles of chlorine.

Moles = \frac{-1,342.0 \;kJ}{-184.6\;kJ}

Moles = 7.2 mole

Now, calculating number mass of chlorine.

\rm Moles=\rm\frac{Mass}{Molar \;mass}

Mass =  7.2 mole x 71 g/mole

Mass = 511.2 gram

Learn more about exothermic reaction here:

brainly.com/question/10373907

#SPJ1

3 0
2 years ago
Describe the basic particle from which all elements are made.
Nadya [2.5K]
Isnt the basic particle that all elements are made of electrons because i know that you can get isotopes which is a whole different subject
5 0
3 years ago
The reactant concentration in a first-order reaction was 7.60 x 10-2 M after 35.0 s and 5.50 x 10-3 M after 85.0 s. What is the
8090 [49]

Answer:

k = -0.0525 s⁻¹

Explanation:

The equaiton for a first order reaction is stated below:

ln[A]=−kt+ln[A]₀.

[A] = 5.50 x 10⁻³ M

[A]₀ = 7.60 x 10⁻² M

t = 85.0 - 35.0 = 50.0 s

The rate constant is represented by k and can be calculated substituting the values given above:

k = (ln[A]₀ - ln[A])/t

k = (ln5.50 x 10⁻³ M - ln7.60 x 10⁻² M)/50.0s

k = -0.0525 s⁻¹

4 0
3 years ago
Read 2 more answers
Choose the incorrect answer below concerning absolute zero.
Nataly [62]
Is equal to 0 k .This is because an absolute zero temperature is the temperature in which nothing can be cooled. The standard measurment for temperature is celcius which is already 0 but when we are converting 0 K to celcius we will gwt 273 celcius which is definitely not an absolute zero
8 0
3 years ago
Read 2 more answers
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