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3 years ago

Definition of enthalpy

2 answers:

8 0

Thermodynamic quantity equivalent to the total heat content of a system It is equal to the internal energy of the system plus the product of pressure and volume

just olya [345]3 years ago

5 0

The definition for Thermodynamic is a quantity equivalent to the total heat content of a system It is equal to the internal energy of the system plus the product of pressure and volume. Hope it help!

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4) list 3 protest rights you have that are protected under the law. How can you protect these rights? George Floyd’s ?

Pavel [41]

Peaceful Protest, Signing Pettitons, contacting mayors/governors and writing emails/sending letters

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3 years ago

Two processes are described below:

UNO [17]

Answer:

i would say D i just did this but i kinda forgot so sorry if im wrong or A

Explanation:

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3 years ago

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The density of water at 400C is 0.992 g/mL What is the volume of 27.0 g of water at this temperature?

pantera1 [17]

Answer:

Volume of water at this temperature is 27.2 mL

Explanation:

We know that $density=\frac{mass}{volume}$

Here density of water is 0.992 g/mL

Here mass of water is 27.0 g

So $volume=\frac{mass}{density}$

= $\frac{27.0g}{0.992g/mL}$

= 27.2 mL

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3 years ago

The ionization of pure water forms _____.

Evgesh-ka [11]

Answer: The ionization of pure water forms <u><em>hydroxide and hydronium ions.</em></u>

Explanation:

Ionization is a reaction in the pure water in which water breaks down into its constituting ions that hydronium ion and hydroxide ions.

$H_2O+H_2O\rightleftharpoons H_3O^++OH^-$

One molecule of water looses its proton to form hydroxide ion and l=the lost protons get associated with another water molecule to form hydronium ion.

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3 years ago

Which option describes the direction of thermal energy transfer in earth's oceans?

BlackZzzverrR [31]

Answer:

Energy is moved from areas of surplus to those of deficit, with warm currents transporting warm water polewards and cold currents taking colder water to lower latitudes. It holds onto this heat for longer than the land does and the ocean currents move this heat around, from the tropics to higher latitudes.

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2 years ago

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