Chemistry High School

PLEASE HELP ME!!!
THE CHEM QUESTION IS...

Calculate the amounts of heat required for 25.0 g of water to change from 10°C to 30°C

Answers

Answer 1

Answer:

1045

Answer: 1045 J of energy was released on cooling the down the water from 20 °C to 10 °C.

Answer 2

Answer:

..............=2100

PLEASE HELP ME!!!THE CHEM QUESTION IS...Calculate The Amounts Of Heat Required For 25.0 G Of Water To

Related Questions

Mention any three ways of making salt. (please help me Asap)​

Answers

Solar Evaporation Method. This is the oldest method of salt production. ...
Rock Salt Mining Method. Morton also uses the second oldest method of producing salt – underground mining. ...
Vacuum Evaporation Method.

what are the similarities and differences between the crocodile , sheep , and gorilla digestive system?​

Answers

Answer: Crocodile is a reptile whereas sheep and gorilla are the mammals.

Explanation:

Crocodile, sheep, and gorilla have alimentary canal in their digestive system. The urea is the common excretory waste.

Mouth is typically large in case of crocodile and comparatively small in sheep and gorilla.

In crocodile more sharp teeth are present as compared to sheep and gorilla for mastication of food and capturing the prey like fish or large animals like zebra.

The crocodile palate is more stronger than sheep and gorilla because it enable it to chew the bones of the prey.

What is one danger associated with the use of hydrogen gas

Answers

Answer:

Topping the list of concerns is hydrogen burns. In the presence of an oxidizer -- oxygen is a good one -- hydrogen can catch fire, sometimes explosively, and it burns more easily than gasoline does.

Answer:

hydrogen burns

hope it helps

Match the term with the definition.

Condensation
Evaporation
Sublimation
Freezing

A) A phase change from a gas to a liquid
B) A phase change from a solid to a gas
C) A phase change from a liquid to a gas
D) A phase change from a liquid to a solid

[Please Hellp!]

Answers

Condensation goes with A.

Evaporation goes with C.

Sublimation goes with B.

Freezing goes with D.

Tigers and crocodiles are more closely related than tigers and sharks. Which statement about shared characteristics best supports this statement?

Answers

Answer: Crocodiles and tigers both have four legs

Explanation: Even when sharks and tigers are both meat eaters, the question is about similarities between tigers and crocodiles, so D is out. A is about crocodiles and sharks, so it's out also. B suits for sharks too, so it's out too. C is the most suitable answer, because both animals have four legs, which means that they belong to the group of quadrupede animals.

Answer:

Crocodiles and tigers both have four legs

Explanation:

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