1. Main Sequence
10. Red
12. Temp
13. Temp and Brightness/ Absolute Magnitude
Sorry I can't really read the rest.<span />
No se ha dicho nada de nada y que ha dicho la policía
Answer:
<h3>The answer is 0.67 cm³ </h3>
Explanation:
Density of a substance can be found by using the formula
<h3>
</h3>
Making volume the subject we have
<h3>
</h3>
From the question
mass of gold nugget = 13 g
Density = 19.3 g/cm³
Substitute the values into the above formula and solve for the volume
We have
<h3>
</h3>
= 0.673575
We have the final answer as
<h2>0.67 cm³</h2>
Hope this helps you
The number of mole of O₂ produced from the decomposition of H₂O₂ is 0.0033 mole
<h3>How to determine the number of mole of O₂ produced</h3>
We'll begin by obtaining the mole of H₂O₂ that decomposed. This is obatined as follow:
- Pressure (P) = 0.978 atm
- Temperature (T) = 27 °C = 27 + 273 = 300 K
- Volume (V) = 0.082 L
- Gas constant (R) = 0.0821 atm.L/Kmol
- Mole of H₂O₂ (n) =?
PV = nRT
Divide both sides by RT
n = PV / RT
n = (0.978 × 0.082) / (0.0821 × 300)
n = 0.0033 mole
Finally, we shall determine the number of mole of O₂ produced. This is illustrated below
H₂O₂ -> H₂ + O₂
From the balanced equation above,
1 mole of H₂O₂ decomposed to produce 1 moles of O₂
Therefore,
0.0033 mole of H₂O₂ will also decompose to produce = 0.0033 mole of O₂
Thus, number of mole of O₂ produced from the reaction is 0.0033 mole
Learn more about number of mole:
brainly.com/question/13375719
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When a light bulb is turned on, it is powered by electricity and manages to produce both light and heat. This is something as persons we know from experience. Thus when a light bulb is turned on, ELECTRICAL ENERGY IS TRANSFORMED INTO LIGHT AND HEAT ENERGY. (Option B)