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Ghella [55]
2 years ago
13

Convert 650. J of energy to either kcal or cal

Chemistry
1 answer:
timama [110]2 years ago
8 0
155.24983 If you look up the formula to this you can do it on your calculator.
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if it takes 54 ml of 0.100 M naoh to neutralize 125ml of an hcl solution, what is the concentration of the hcl
vichka [17]

Answer:

c = 0.0432moldm ^−3

Explanation:

The first step would be to find the molar ratio in the reaction. Now generally, one can simplify strong acid-strong base reaction by saying:

Acid+Base ->Salt+ Water

4 0
2 years ago
An isotonic solution has: a)The same pH as blood b) More ions per unit volume than blood c) More water per unit volume than blo
Veronika [31]

Answer:

d) osmotic pressure equal to that of blood

Explanation:

Answer is not a) because pH is concentration of positive hydrogen in solution but it not note all solutes. Answer is not b) because like answer a), it not note solutes without charge and, additionally it not note the pressure equilibrium when solvent flows through a membrane . Answer is not c) because it can be more or less water (solvent).

8 0
2 years ago
20.0 mL of 0.06 M HCl (in a flask) is titrated with 0.04 M NaOH (in a burette). How many milliliters of NaOH needs to be used to
Liula [17]
<span>0.0200 L X 0.06 mol/L HCl = 1.2X10^-3 mol HCl
Moles NaOH added to reach equivalence point = 1.2X10^-3 mol NaOH
Volume NaOH = 1.2X10^-3 mol / 0.0400 M NaOH = 0.030 L NaOH = 30 mL NaOH
</span>
D.There is a rapid change in pH near the equivalence point (pH = 7)
hope it helps
8 0
2 years ago
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Oo help it’s for a grade
EastWind [94]

Answer: D.kinectic energy

Explanation

8 0
2 years ago
During which moon phase do spring tides occur?
mihalych1998 [28]

Answer:

New Moon

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Spring tides occur during new moons when the Sun and the moon are aligned, Pulling together creating big tides.

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2 years ago
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