Answer:
b is ur answer the temputer does increase
Explanation:
Can you please provide a clearer image?
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Answer:
2Na⁺ (aq) and 2OH⁻(aq)
Explanation:
Spectator ions:
Spectator ions are those ions which are same on both side of chemical reaction. These ions are same in the reactant side and product side. Their presence can not effect the chemical equilibrium that's why when we write the net ionic equation these ions are neglect or omitted.
Given ionic equation:
Ba⁺²(aq) + 2OH⁻(aq) + 2Na⁺ (aq) + CO²⁻₃(aq) → BaCO₃(s) + + 2Na⁺ (aq) + 2OH⁻(aq)
In given ionic equation by omitting the spectator ions i.e, 2Na⁺ (aq) and 2OH⁻(aq) net ionic equation can be written as,
Net ionic equation:
Ba⁺²(aq) + CO²⁻₃(aq) → BaCO₃(s)
Answer:
The density of water
.
Explanation:
Density of water = 1.00 g/mL
1 lb = 453.592 g



Density of the water in
:


The density of water
.
Answer: The sample that contains the greater number of molecules is water.
Explanation: To calculate the number of molecules, it is used the Avogadro's number (
particles/molecules). So, considering that the mass to water and carbon dioxide is 1g (it can be any other number), the relationship between moles and molar weight is:

To water:
= 0.05 moles.
Therefore,
1 mol ----
molecules
0.05 moles ---- x
x =
molecules of water.
To carbon dioxide:
= 0.02 moles.
Therefore,
1 mol ----
molecules
0.02 moles ---- y
y =
molecules of carbon dioxide.