<h3>
Answer:</h3>
1.02 moles
<h3>
Explanation:</h3>
<u>We are given;</u>
N₂O₅ + H₂O → 2HNO₃
- Moles of N₂O₅ is 0.51 moles
We are required to determine the number of moles of HNO₃ produced.
First, we need to identify the mole ratio of N₂O₅ to HNO₃
- From the equation 1 mole of N₂O₅ reacts to produce 2 moles of HNO₃
- Therefore, the mole ratio of N₂O₅ to HNO₃ is 1 : 2
Second; we can determine the moles of HNO₃
Moles of HNO₃ = Moles of N₂O₅ × 2
= 0.51 Moles × 2
= 1.02 moles
Thus, the number of moles of HNO₃ that will be produced is 1.02 moles
Answer:
Al(OH)₃(aq) + 3 HBr(aq) ⇒ AlBr₃(aq) + 3 H₂O(l)
Explanation:
Let's consider the unbalanced equation for the reaction between solid aluminum hydroxide and a solution of hydrobromic acid. This is a neutralization reaction so it forms a salt, aluminum bromide, and water.
Al(OH)₃(aq) + HBr(aq) ⇒ AlBr₃(aq) + H₂O(l)
We start balancing Br atoms by multiplying HBr by 3.
Al(OH)₃(aq) + 3 HBr(aq) ⇒ AlBr₃(aq) + H₂O(l)
To get the balanced equation, we must multiply H₂O by 3 as well.
Al(OH)₃(aq) + 3 HBr(aq) ⇒ AlBr₃(aq) + 3 H₂O(l)
Answer:
The time required to melt the frost is 3.25 hours.
Explanation:
The time required to melt the frost dependes on the latent heat of the frost and the amount of heat it is transfered by convection to the air .
The heat transferred per unit area can be expressed as:
being hc the convective heat transfer coefficient (2 Wm^-2K^-1) and ΔT the difference of temperature (20-0=20 °C or K).
If we take 1 m^2 of ice, with 2 mm of thickness, we have this volume
The mass of the frost can be estimated as
Then, the amount of heat needed to melt this surface (1 m²) of frost is
The time needed to melt the frost can be calculated as
Answer:
It helps you predict how much of a reactant participates in a chemical reaction
Explanation:
Gina made 9{,}350 \text{ mL}9,350 mL9, comma, 350, space, m, L of chicken noodle soup. She packed 1.8 \text{ L}1.8 L1, point, 8,
RoseWind [281]
Answer:
Explanation:
Remember that
To convert L to mL multiply by 1,000
we know that
Gina made 9,350 mL
She packed 1.8 L of the soup in her kids' lunches
She froze the rest of the soup
step 1
Convert L to mL
step 2
To find out how many milliliters of soup did Gina have left to freeze, subtract 1,800 mL from 9,350 mL