if a dinosaur once lived in mexico, and i now live in arkansas, can i be drinking the same water the dinosaur did?

Chemistry

2 answers:

Reptile [31]3 years ago

8 0

You possibly could be just depends haha

MrRissso [65]3 years ago

3 0

Yes, especially if its from a lake, pond, or ocean since water moves around. Dinasours could have spit out or maybe dripped some water, so basically yes.

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Need help ASAP plz. Only gave 10 min

MrRissso [65]

Answer:

the answer is D

Explanation:

5 0

3 years ago

A 250-ml sample of na2so4 is reacted with an excess of bacl2. if 5.28 g baso4 is precipitated, what is the molarity of the na2so

Oksanka [162]

To get the molarity you need to follow this equation
moles of solute
Molarity (M = -----------------------
Liters of solution

But before you apply that equation you need to find the moles of solute and the liters of solution. Follow this equation

Na2SO4 + BaCl2 = BaSO4 + 2 NaCl

Solution

Moles of BaSO4 = 5.28 g
---------------
233.43 g / mol
= 0.0226 moles
Moles of NaSO4 = 0.0226
0.0226 mole
Molarity = -----------------
0.250 L
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So the answer is 0.0905 mol / L

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3 years ago

How much heat energy is needed to raise the temperature of 59.7g of cadmium from 25°C to 100°C? The specific heat of cadmium is

labwork [276]

Using the Fundamental Equation of Calorimetry, we have:

$Q=mc\Delta T \\ Q=59.7.0.231.(100-25) \\ \boxed {Q=1034.3025J}$

If you notice any mistake with my english, please know me, because I am not native.

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4 years ago

What is a materials ability to dissolve in a solvent

ExtremeBDS [4]

I believe it might be A, hope this helps!

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3 years ago

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alexira [117]

Answer:

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