Answer:
A.)neutral
because their ions have equal and opposite charges whose resultant charge is zero
In order to find your answer you need to be <span>measuring entropy, so you will be using the following formula:
</span><span>delta S= S of (N2H4) + S of ( H2) - [2( S of NH3)]
</span>Hope this is very useful for you
Your answers are correct. I love the Universal formula.
Answer:
1·199 J
Explanation:
Given
Mass of water = 0·814 g = 0·814 ×
kg
Increase in temperature = 0·351 °C
Let the amount of heat added be Q J
Formula for heat added is
<h3>Q = m × s × ΔT</h3>
where Q is the amount of heat transferred
m is the mass
s is the heat capacity
ΔT is the change in temperature
Heat capacity of water = 4200 J/kg °C
Applying the formula for heat added
Q = 0·814 ×
× 4200 × 0·351 = 1·199 J
∴ Amount of heat added = 1·199 J
because a postive and negative can be used in. ion