Chemistry Middle School

The starting temperature of the hot water was 70.1°C. The starting temperature of the ice sphere was 0.5°C. The final temperature of the dyed water is NOT half way between those numbers. In fact, it's much higher.

Why did this happen?

Answers

Answer 1

Answer:

because the temputare seemed to drop a lot.

Explanation:

so maybe there was a cold front that came in over time or over night and the rain was what caused it to drop down...

Related Questions

Choose all the answers that apply.

The sun _____.

a. creates energy from fission reactions
b. creates energy through fusion reactions
c. transfers heat through radiation
d. is made of hydrogen and helium
e. uses its own mass to create energy

Answers

B:Creates energy through fusion reactions
b it creates energy through fusion reactions and d

jenny turned on the fan in her bedroom. what energy transformation took place when she turned on the fan

Answers

The energy transformation that took place is Kinetic Energy

Answer:

Kinetic energy

Explanation:

Kinetic energy is energy when something is in motion

What is the largest contributor to the greenhouse effect?

Answers

Answer:

burning of fossil fuels

Explanation:

Which of the following statements is true?

a. An insulator speeds up the transfer of heat.
b. Radiation is the transfer of heat in solids.
c. All moving objects experience friction.
d. All work gains some energy as heat.

Answers

Answer:

C is correct

Explanation:

For example, you move your hands together you are creating friction.

If all three metals were exposed to extremely high temperatures, which would be the last to melt? (copper, gold, mercury)

Answers

Answer:

mercury

Explanation:

From these three metals, mercury would melt the fastest. Its kinda like water, it changes states quickly unlike gold and copper

What is an important characteristic for chemicals released into the environment used to seed clouds?

Answers

Answer:

the rain

Explanation:

Science
The theory of continental drift states that the land masses called continents were once closer together and have drifted apart over time. Which circumstance is the strongest evidence in support of this theory?
Select one:

the periodic climate changes of Earth

the migration patterns of birds

the large variety of animals on each continent

the similarity of fossils on different continents

Answers

Answer:

D or the fourth choice.

Explanation:

4 the similarity of fossils on different continents. I hope this helps you.

Which biome has the greatest biodiversity, and why?
MY TEACHER ASKED ME THIS AND WE HAVEN'T EVEN LEARNED ABT THIS!!! PLS HELP I WON'T ACCEPT FAKE ANSWERS I WILL FLAG THEM AS FAKE :

Answers

rainforest as I contains, caves, caverns, semi-tropical, subtropical, and temperate areas.
rainforest have the greatest biodiversity because they are abundant in nutrients and energy.

WILL GIVE BRAINLIEST! What greenhouse gas most controls the temperature? And when is it released?

Answers

Answer:

1: carbon dioxide

2: As hydrocarbon fuels (i.e. wood, coal, natural gas, petrol and oil) are burnt, carbon dioxide is released. During combustion or burning, fossil fuel carbon mixes with oxygen in the air to create carbon dioxide and water vapor.

Explanation: hope it helps

Help asap plz! Actual answers plz!

Describe an example of an action and reaction. Identify the forces and their directions.

Answers

Answer:

An example of action is there is a fire and reaction is you running

Explanation:

A example of an action is that she left in a hurry and a reaction iron and oxygen combining to make rust

How do matter and energy move through an ecosystem?

My scientific explanation is:

Your answer should include at least 1-2 complete sentences to explain the claim, evidence and reasoning.
Be sure to check your grammar and spelling.
Use the Sentence Starter to help you:

Matter and energy move through an ecosystem by...

Answers

Answer:

Decomposers (organisms that break down dead producers and consumers and organic waste) obtain the energy they need to live from chemical bonds of the dead and waste-matter. The energy is transferred both to the decomposer (for growth and development) and to the ecosystem (as heat energy)

Explanation:

Yea he’s right he got the answer

A student used a portable electric drill to remove screws from a broken wooden table. He noticed that the screws holding the table together were warm to the touch after being removed from the wood. Which statement best explains this phenomenon?
A:Electrical energy from the drill was converted into chemical energy due to conductivity.
B:The process of removing the screw concentrated the thermal energy that was already present in the wood

Answers

Answer:

A.

Electricity can travel through metal, such as the screws, creating a conductor.

I think it’s a
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