Matter is found every where in the universe and there is never any substance in the universe that is not composed of matter.
What is matter?Matter is anything that has weight and occupy space. We know that matter is present in every part of the universe. Everything in the universe is composed of matter. Matter forms the basics of our study of the universe. Water, food cloths everything all are composed of matter.
The fact that matter inundates the universe has made the study of matter an unavoidable topic. As such, we can not really be able to point something that is of made up of matter. There can be no such thing!
As long as a thing does exist in the material universe, that thing is made up of matter. Look at yourself for example, matter is spread all across your body. The same occurs in the bodies of every other living thing.
The nonliving things are not also left out as they are equally composed of diverse kinds of matter that exists in the universe.
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what is the texture of oxygen
In a reaction of yeast and hydrogen peroxide, the yeast causes a reaction in which the hydrogen peroxide breaks apart to form oxygen gas and water. Heat is released (given off) in this experiment, which would indicate a(n) ____________________ reaction.
A) equilibrium
B) endothermic
C) physical reaction
D) exothermic
Answer:
D, exothermic reaction
Answer: it indicates exothermic reaction
Explanation:
Please can someone answer these two boxes.
(subject is science)
Answer:
d
Explanation:
im sorry i need the points :[
What is the difference between a period and a group on the periodic table of elements?
Please help
Answer:
A period is a horizontal row of the periodic table.A group is a vertical column of the periodic table, based on the organization of the outer shell electrons. There are a total of 18 groups.
Hope this answer helps
When you have a pot of water on the stove, heat is transferred to the water. Describe the behavior of the water molecules and how temperature is affected.
Answer:
The water molecules are faster in their movement, and the temperature of the water and the molecules are increasing.
Explanation:
Answer: Temperature causes water molecules to move more quickly.
Explanation: Because each individual molecule has more energy as it gets hotter If you get water hot enough, the molecules move so much that the hydrogen bonds that hold them together start to break and the water becomes a gas, water vapor.
Hypothesize! What type of substance do you think Coffee is? Why?
Answer:
Liquid???? I'm confused on what you are asking it has caffine?
Explanation:
fsdafdsfa
I need an example of Nuclear Chemistry.
Any suggestions...
Answer:
Nuclear fusion: reactions in which two or more elements "fuse" together to form one larger element, releasing energy in the process. A good example is the fusion of two "heavy" isotopes of hydrogen (deuterium: H2 and tritium: H3) into the element helium.
Explanation:
please mark me brainlist
Explain what an induced current is.
please help me with at least 2 sentences.
Explanation:
If a coil of wire is placed in a changing magnetic field, a current will be induced in the wire. This current flows because something is producing an electric field that forces the charges around the wire.
Is the size of the country an important factor in how much helium that can be found there?
Brainless pls
Explanation:
Accordingly, any attempt to determine where the helium market will be more than a few years ... and/or recover helium can reduce the amount of helium consumed by as much as a factor ...
Answer:
Explanation:
Accordingly, any attempt to determine where the helium market will be more than a few years ... and/or recover helium can reduce the amount of helium consumed by as much as a factor..
NEED THIS ASAP ILL MARK BRAINLIEST Nutrition is a common topic in the media, whether it’s a new diet plan or a new “superfood” on the market to benefit our health. Some of these products are scientifically sound, while others aren’t. How do we tell the difference?
My Answer: We can check the superfood or diet plan whether it is complying to FDA standard or not, or another way is to ask a nutritionist or medical doctor whether the products are scientifically sound.
Edmentum Answer: To find out whether a product is scientifically sound, check the FDA standards for the product. Another option is to ask a medical expert, such as a doctor or a nutrition scientist, whether the product is scientifically sound.
What results when two waves that are completely out of phase meet?
A: constructive interference that results in a greater amplitude
B: destructive interference that results in a greater frequency
C :destructive interference that results in a lower amplitude
Answer:
The result is a superposition which is twice the amplitude of each input wave. Φ = π means the two waves are completely OUT OF PHASE, and so add completely destructively. The result is a superposition which has no amplitude at all.
Explanation:
The result is a superposition which is twice the amplitude of each input wave. Φ = π means the two waves are completely OUT OF PHASE, and so add completely destructively. The result is a superposition which has no amplitude at all.
0.403 L is equal to:
Please help me with this answer correct
Answer:
hope this helps :)
Explanation:
for the first one, you can look at the periodic table and look at the atomic number and it will show you how many protons there are giving you the answer because protons and electrons are equal in a pure element
a- carbon
b- neon
c- boron
d- oxygen
e- helium
f- hydrogen
g- lithium
h- beryllium
i- nitrogen
1- sulfur
2- S
3- 16
4- 32.066
5- 16
6- 16
7- 16.066
8- draw circles and put 16 dots like on the other page and in the middle put 16 nuetrons and electrons
9- 6 i think
no link need right answer
How many moles are there in 15. 0 grams of SiO2?
a
0. 170 mol
b 0. 340 mol
c 0. 534 mol
d 0. 250 mol
e 0. 208 mol
Check it
Answer:
d) 0.250 mol
Explanation:
15.0 grams of sio2 have 1/4 moles.
Chemical Weathering Rocks are changed by chemical and physical weathering. During chemical weathering, the composition of the rock is changed. Extreme heat and pressure within Earth can also cause rocks to change chemically. Physical weathering is the breaking down of rock by wind, water, ice, temperature change, and plants. It changes the shape and size of rocks, but it does not change their properties.
circle each example of chemical weathering
•Shale is worn into small pieces by the wind.
• Sandstone experiences heat and pressure and becomes quartzite.
• Calcium carbonate dissolves.
• Rocks break into pieces as they tumble down a mountain.
An example of chemical weathering are;
Sandstone experiences heat and pressure and becomes quartzite. Calcium carbonate dissolves.What is Chemical Weathering ?Chemical Weathering can be described as the type of weathering that do take place due to the breaking down of the rock particles into smaller pieces which is usually as a result of chemical process.
It should be noted that when the process is taking place it scould be due to the Extreme heat and pressure which can affect the composition of the particles and as a result of this there could be formation of products from the break down.
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How to work out the relative mass of potassium? What is the calculation? ( explained very easily )
Answer:
39
Explanation:
Relative mass does not need to be calculated as it is listed on the periodic table. Potassium's relative atomic mass is around 39.
Which object has the most kinetic energy?
A. a train that is stopped
B. a car moving at a slow speed
C. a train moving at a slow speed
D. a car that is stopped at the top of a hill
I dont understand this question can u guys help
Answer: B
bye
Explanation:
When balancing a chemical equation, which of the following are you allowed to do?
Take away substances
Add coefficients
Change subscripts
Add new substances
Answer:
Add Coefficients
Explanation:
You CAN'T change the identity of an element or substance in an equation. You can only change coefficients.
*WILL GIVE BRAINLIEST TO CORRECT ANSWER *
Question in picture
How does an atom change if all of its electrons are removed?
p.s. I'll mark the first answer the brainliest if it is correct! ;)
a. The atom’s volume increases.
b. The atom’s mass increases.
c. The atom becomes positively charged.
d. The atom becomes negatively charged.
c. The atom becomes positively charged
if the electrons are removed it means theres no longer a negative charge to balance the positive charge of the protons in the atom
what might a scientist do to identify an organism that cannot be seen with a naked eye?
Answer:
I believe they would use a microscope.
Explanation:
Microscopes provide a higher magnification, so scientist use them to see things they cant quite see with a naked eye.
Which of the following atoms has the largest atomic radius? Provide an explanation
a Hydrogen
b. Sodium
C Lithium
d Rubidium
Answer:
d Rubidium
Explanation:
The atomic radius of an atom is the distance from the center of the nucleus to its outermost electron.
The atomic radius of elements varies in the periodic table, it increases as you go down in a group and decreases along the period from left to right.
All the elements listed: Hydrogen, Sodium, Lithium and Rubidium belong to the same group in the periodic table (group 1), Since atomic radius increases from top to bottom in a group, Rubidium has the largest atomic radius.
PLEASE HELP YOU GUYS THIS IS MISSING IF YOU HELP ME WITH THIS YOU WILL GET AT LEAAST 20 POINTS RANDOM ANSWERS = REMOVED. THANK YOU THIS IS A LAB THATS MISSING<3
help in timed
Scientists improved Mendeleev’s early periodic table by _____.
using numbers of neutrons and protons to organize the elements by their properties
using atomic number instead of atomic mass to organize the elements
including physical properties of elements such as melting point and density
including chemical properties of elements such as the ability to burn or to tarnish
If a substance has a density of 19 g/cm3, then what is the mass of 8 cm3 of this substance?
Plz help! Write your answer in complete sentences ! Write a proper answer! 1st one to answer will get a brainliest!
Answer:
the name for CaCO3 is Calcium Carbnate, and its relations with coral reefs is that the process for making said compuond happens within coral, and is considered the building block for coral reefs.
Explanation:
hope this helps!
Explain what natural selection and adaptation are
Answer:
It's evoultion or the cause of it. Adaptations are how well animals or plant thrive in a new enviorment.
Explanation:
Natural selection is a mechanism and(or)cause of evolution. Adaptations are physical or behavioral traits that makes it easier for an organism to to sustain themselves or thrive in new enviornments. Heritable variation comes from random mutations.
Most cells have a(n) in the center of the nucleus which stores materials to make ribosomes.
Answer:
nucles membrane
Explanation:
brick