Answer:
the average kinetic energy of its particles increases. When the average kinetic energy of its particles increases, the object's thermal energy increases. Therefore, the thermal energy of an object increases as its temperature increases.
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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how many grams are in 7.4 moles of HgS?
Answer: 1721.6 grams
Explanation:
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
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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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:
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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Limonene is an oil from oranges and lemons. Click on all the carbon
atoms its structures that have a trigonal planar molecular geometry.
Answer:
See explanation
Explanation:
Limonene is an oil from oranges and lemons. Its structure has been shown in the image attached to this answer.
There are two different groups of carbon atoms in limonene. One group of carbon atoms are sp2 hybridized while the other group are sp3 hybridized. The group of carbon atoms that are sp2 hybridized have a trigonal planar geometry and have been accurately labeled in the image attached while the carbon atoms that are sp3 hybridized were also labelled and have a tetrahedral geometry.
Hence in limonene, there are trigonal planar and tetrahedral carbon atoms.
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.
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
How do the different processes of a rock cycle change a rock? Which processes will form an igneous, sedimentary, and metamorphic rock
What is the best color? Personally I think its purple.
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
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!!
❤️
:)
a. Identify the type of reaction shown:
Li + CaCl2 ---> LiCl + Ca
Answer:
single-replacement reactions
Explanation:
A single-replacement reaction is defined as a chemical reaction in which one strong element replace the other weak element.
The given chemical equation Li + CaCl2 ---> LiCl + Ca is an example of single-replacement reactions in which Lithium (Li) is stronger than Calcium (Ca) and replaces calcium to form bond with Chloride.
Hence, the correct answer is "single-replacement reactions".
What is the chemical formula for Tetrasulfur pentoxide?
Answer:
S 4 O 5
Explanation:
the 4 and 5 are little
LINKING IN
TECHNICAL OBJECTS
1 a) What is linking?
Answer:
A link is a fastening unit that attaches two parts of an object together
Different types of links have different characteristics
Answer:
Linking is the process of combining all the component object files. The linker determines where the code will reside in memory and how control will transfer between the components.
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
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
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.
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.
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.
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
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
how many moles are in 425g of KNO3?
Answer:
The answer is 101.1032
Explanation:
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
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
Single displacement (replacement)
Explanation:
Single displacement (replacement) is kind of reaction in which 1 atom of reactants only change in product.
Why do molecular compounds have low melting points and low boiling points relative to ionic substances?
Answer:
The melting and boiling points of molecular compounds are generally quite low compared to those of ionic compounds. This is because the energy required to disrupt the intermolecular forces between molecules is far less than the energy required to break the ionic bonds in a crystalline ionic compound
How many moles are in 1.6g HCl ?
Answer:
0.0438825768068512
Explanation:
use a calculator online, you wont have to wait
