Answer:
The air over the ocean is now warmer than the air over the land. The land loses heat quickly after the sun goes down and the air above it cools too
Explanation:
How did boyle's change the way scientists make discoveries
Robert Boyle established chemistry as a discipline based on measurement, freeing it from the mysticism and alchemy that had plagued it. He introduced the concept of chemical analysis and defined elements, compounds, and mixes.
Boyle used a vacuum chamber to alter the gas's pressure in order to find the link between pressure and volume in a gas, which is now known as Boyle's law. In order to demonstrate that pressure and volume are inversely related to one another, he made detailed observations and carried out a number of experiments.
He developed a new vacuum pump and performed experiments in vacuum, they found that neither sound nor flame could exist there.
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The diagram below shows two organelles—a chloroplast and a mitochondrion.
How are these organelles similar?
A.
They are both found in animal cells.
B.
They are both designed to create food for the cell.
C.
They both have an inner membrane and an outer membrane.
D.
all of these
Answer:
I think the answer is C because it's TRUE they both do
Explanation:
Sorry I had to do some thinking on that one lol but yeah the first person who answered I think is right
In your lab group you combined vinegar and water and observed the results shown in the picture. Choose ALL of the evidence that
supports that a chemical change has occurred.
A gas is produced.
B)The color changed.
c) Bubbling occurred.
D) The baking soda dissolved.
E) There is a change in the composition of the reactants.
ANOTHER HELP OVER HEREEEEEE PLSSSSSSS
The declaration made in the image's results indicates that a chemical shift has taken place. There occurs the creation of gas.
What occurred when you put vinegar in the water?This occurs as a result of vinegar's composition of acetic acid and water. Acetic acid and water molecules create robust connections. These bonds cause the molecules inside the solution to move more slowly than those in pure water, hastening the freezing of the solution.
Briefing:A cup of vinegar and a cup of warm water are the basic components of the vinegar cleaning solution. Grease as well as hard water stains are easier to remove with warm water. It may be best to combine the vinegar and distilled water rather than tap water when filling a spray container that will be used often.
To create a chemical reaction, what can you combine with vinegar?A chemical reaction between vinegar (acetic acid) and baking soda (sodium bicarbonate) results in the production of salt (sodium acetate), water, and carbon dioxide gas.
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A student did an investigation to determine the effect the amount of air would have on plant growth. She planted identical
plants in 4 separate closed containers with different volumes of air. She measured the height of the plants after they had
grown for 3 weeks.
What is the dependent (responding) variable in her investigation?
Answer:
Explanation:
The responding variable always is measured against the variable that you have control over.
In this case, you have control over the volume of air.
The responding variable is the amount the plant has grown. This would be a good long term experiment to try for a science fair or just because you might be interested. It's a good simple idea.
What is the best color? Personally I think its purple.
Q+ ( poistive ion ) is an ion of element Q.
What has the highest value in the ion?
The proton number has the highest value in the ion
In an atomic element Q, the mass number is the number of the proton and the neutron, the electron encircles around the nucleus of the atomic element.
Recall that:
The electron is usually negatively charged;The neutron is a neutralThe proton is usually positively charged.∴
The atomic element Q+ has a positively charged ion, Thus, the proton number in the mass of the atomic element Q, therefore, has the highest value in the ion.
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someone help me on this one pls
Answer:
i believe it is mass and distance
Explanation:
i hope that was correct, good luck by the way.
Answer:
I think it's mass and distance
Why do engineers use metals in making
electrical wires
Answer:
Why is copper used for most electrical wiring? All metals have some amount of resistivity to electrical currents, which is why they require a power source to push the current through. The lower the level of resistivity, the more electrical conductivity a metal has
Can someone help me with number 3 thanks
Answer:
Difficult Question but I would say no
Explanation:
I say no because the whole premise of a chemical reaction is the reaction to new bonds and bond losses happening due to the introduction of a new substance. If the substance hasn't changed at all, it wouldn't be a chemical reaction because their would be nothing reacting.
The parts of the Earth that contain living organisms
Answer:
Biosphere
The Biosphere --contains all the planet's living things. This sphere includes all of the microorganisms, plants, and animals of Earth. Within the biosphere, living things form ecological communities based on the physical surroundings of an area.
Explanation:
Answer:
Biosphere
Explanation:The Biosphere --contains all the planet's living things. This sphere includes all of the microorganisms, plants, and animals of Earth. Within the biosphere, living things form ecological communities based on the physical surroundings of an area. hope this helps (:
HELP ME! IM SO DESPERATE I WILL GIVE YOU BRANLIEST!!!!!!!!!!!!!!!!
Write the complimentary DNA strand for the given strand of DNA
CGTAAGCGCTAATTA
Answer:
The answer is GCATTCGCGATTAAT
Explanation:
"Chargaff's rule, also known as the complementary base pairing rule, states that DNA base pairs are always adenine with thymine (A-T) and cytosine with guanine (C-G). A purine always pairs with a pyrimidine and vice versa. However, A doesn't pair with C, despite that being a purine and a pyrimidine."
If this is not the answer, try the translation with the 5-3 Strategy and if not still then try using U instead of T.
What is the chemical formula for Tetrasulfur pentoxide?
Answer:
S 4 O 5
Explanation:
the 4 and 5 are little
To go from grams to moles you will have to multiply the grams by 22.4 true or false
yes you do need to multiply it by 22.4
2.What are the 3 effects of acid rain..?
Answer:
1) Damages soil and trees.
2) Makes holes in statues and buildings.
3) Pollutes rivers and lakes.
Answer:
It can harm animals underwater and on land
It has an effects on trees, freshwaters, and soils destroy insects and aquatic life-forms, and weathering stone buildings and sculptures, as well as impacts on human health.
Explanation:
I got it from a video. Hopefully, this helps.
how many moles are in 425g of KNO3?
Answer:
The answer is 101.1032
Explanation:
Zora wants to dissolve a solute in a solvent quickly. Which best describes what she should do?
decrease the pressure
decrease the surface area
shake it repeatedly
place in a refrigerator
Answer:
C shake it repeatedly
Explanation:
i think thats the answer if not sorry hope it helps you.
Answer:
C.
Explanation:
1. What is a food web?
A group of animals
a food chain with two levels
A producer and consumer relationship
how several food chains are related
Answer:
a producer and consumer relationship how several food chains and related.
Answer:
The answer is:
Explanation:
A food chain with two levels.
Hope this helps!!
❤️
:)
does sugar have ionization of ions in water
Select some particular plant or animal and find out how it has been improved because of the study of genetics. The following examples are given, but you may select some other topic if you like. Be sure that you have the topic and the method (written or oral) of reporting approved before you do your research. If you choose an oral report, it should be at least 3 minutes in length. If you choose a written report it should be at least 500 words in length.
Answer:
Try going onto essaytyper.com
How many moles are in 1.6g HCl ?
Answer:
0.0438825768068512
Explanation:
use a calculator online, you wont have to wait
How do the different processes of a rock cycle change a rock? Which processes will form an igneous, sedimentary, and metamorphic rock
What advantage does cross pollination have over self-pollination?
1. It allows a plant to have both male and female flowers.
2. It assures that there is genetic variety within each plant species.
3. It ensures that all offspring will be identical.
4. It allows a plant to fertilize itself.
Answer:
It allows all the plants to have one genetic
Single displacement (replacement)
Explanation:
Single displacement (replacement) is kind of reaction in which 1 atom of reactants only change in product.
How many grams of silver are present in 15.0 g of silver sulfate?
Answer:
4676.985 . grams of silver present in 15.0g of silver sulfate
Suppose you have an ice cube with mass of 8.00 g at a temperature of 295 K. If that ice cube is heated until it is completely converted to steam at 373 K how many joules of heat must be added ?
Explanation:
In order to be able to answer this question, you must know the value of water's enthalpy of fusion, ΔHfus
can someone please help me with this, i'll give you a 5 star rating and the brainliest answer!
Answer:
A. equation
B. atoms
C. products
Explanation:
Answer:
A
A chemical equation shows both the reactants and the products of a chemical equation
True or False: Photosynthesis can happen anytime, regardless of the amount of reactants present or the presence of sunlight.
Answer:
This is false
Explanation:
Im in bio and we just learned this lol
what is photosysthies
Answer:
Photosynthesis is a process by which phototrophs convert light energy into chemical energy, which is later used to fuel cellular activities. The chemical energy is stored in the form of sugars, which are created from water and carbon dioxide.
Explanation:
Answer:
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
Explanation:
During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds. Photosynthesis provides us with most of the oxygen we need in order to breathe. We, in turn, exhale the carbon dioxide needed by plants. Plants are also crucial to human life because we rely on them as a source of food for ourselves and for the animals that we eat.
I hope this helps all of you!
What is the primary difference between two different isotopes?
Answer:
Because different isotopes have different numbers of neutrons, they do not all weigh the same or have the same mass. Different isotopes of the same element have the same atomic number. They have the same number of protons. The atomic number is decided by the number of protons.
Hope this helps!!!!
Explanation:
How many grams are in 4.2 X 10^2 moles of bromine?
Answer:
The answer is below:
Explanation:
3355.968
