Answers
Answer:Alaska
Explanation:
Related Questions
An atom has an atomic number of 15 and a mass number of 31. How many protons are there in the atom?
Answers
Answer:
No of protons = 15
Explanation:
Given that,
Atomic number = 15
Mass number = 31
We need to find the no of protons in the atom.
We know that,
No of protons = Atomic no of the atom
No of protons = 15
Hence, there are 15 protons in the atoms.
What are the atoms found at the bottom of the periodic table known as?
Answers
Intermolecular forces do not have any effect on determining the physical properties of
substances such as surface tension and melting point.
True or false
Answers
Answer:
False
Explanation:
The physical properties of melting point, boiling point, vapor pressure, evaporation, viscosity, surface tension, and solubility are related to the strength of attractive forces between molecules. These attractive forces are called Intermolecular Forces.
help me please i need help cuz its due today
Answers
Answer:
I believe the answer is a. I hope this helps
1. Two substances, both solids, start at the same temperature. You transfer
the same amount of energy into both solids, but substance 1 becomes a
liquid before substance 2. Which substance has a stronger molecular
attraction?
A Substance 1
B Substance 2
Please help I will give you Brainlyest
Answers
Answer:
B substance 2
Explanation:
1. Two substances, both solids, start at the same temperature. You transfer
the same amount of energy into both solids, but substance 1 becomes a
liquid before substance 2. Which substance has a stronger molecular
attraction?
A Substance 1
B Substance 2
Please help I will give you Brainlyest
Substance 2 has a stronger molecular attraction.
What are solids?Solid is one of the four fundamental states of matter. The molecules in a solid are closely packed together and contain the least amount of kinetic energy. A solid is characterized by structural rigidity and resistance to a force applied to the surface.
Both solids are supplied with an equal amount of energy. Out of both substances, substance 2 has a stronger molecular attraction due to which it can not easily change into a liquid while substance 1 has a lesser molecular attraction so supplying of few amounts of heat will change substance 1 into a liquid state.
Hence, Substance 2 has a stronger molecular attraction.
To learn more about solids, click here:
https://brainly.com/question/14424882
What do you think causes a lunar eclipse? (Use your knowledge of solar eclipses and feel free to run the Gizmo to help you.)
Answers
Moon reflects the light frim the sun, thats why we are able to see it and it shines in the night. But, we know that Earth revolves around Sun and Moon revolves around Earth. During this revolution, Earth and Moon comes in a position when Earth is in the middle of the Moon and Sun. So, it blocks the light of Sun frim reaching Moon. Hence, we see no reflection and it causes Lunar eclipse.
Answer:
A total lunar eclipse occurs when the moon and the sun are on exact opposite sides of Earth. Although the moon is in Earth's shadow, some sunlight reaches the moon. The sunlight passes through Earth's atmosphere, which causes Earth's atmosphere to filter out most of the blue light.
Explanation:
Separate the following gene sequence into codons: TACGTCTTACGCTATGTC
Answer really quick plssss
Answers
Answer:
I think it's AUGCAGAAUGCGAUACAG
Which of the following statements is FALSE?
H2SO4 + 2 NaOH → Na2SO4 + 2 H2O is a double replacement reaction
2 KClO3 →KCl + 2 O2 is a decomposition reaction.
C6H12 + 9 O2 → 6 H2O + 6 CO2 is a single replacement reaction
CO2 + Na2O → Na2CO3 is a synthesis reaction
Answers
Answer: ITS FALSE
ExplaC6H12 + 9 O2 → 6 H2O + 6 CO2 is a single replacement reaction
nation:
Please help me label this.
Answers
Answer:
+ - protons
the green one- nutrons
black ones- electron
the rings are the energy level
The middle layer is the nucules
boron phosphite
Formula please help fast please please help me please please help
Answers
Answer: The formula for boron phosphite is BP
Explanation:
The answer would be BP
Hope this helped!
which type of stress causes rocks to fold?
A.) compression
B.) shearing
C.) strike-slip-
D.) tension
Answers
Answer:
A. compression
Explanation:
the rock is unable to move causing it to stress
Answer: a. Compression
Which of the following is an example of a physical change in digestion?
water being absorbed in the large intestines
enzymes break down food nutrients
nutrients are broken down into different molecules
saliva breaking down carbohydrates
Answers
Answer:
The answer would be C
Explanation:
I got it right on E D G E N U I T Y
2021
What do the cells do with the things they absorb
Answers
Answer:
Use them as nutrients probably
A coffee cup calorimeter contains 153.21 g of water at 22.50 °C. A 65.454 g piece of iron is heated to 101.62 °C. The piece of iron is added to the coffee cup caloriemter and the contents reach thermal equilibrium at 25.68 °C. The specific heat capacity of iron is 0.449 Jg·K and the specific heat capacity of water is 4.184 Jg·K. How much heat, , is lost by the piece of iron?
Answers
Answer:
Q = 2232J
Explanation:
In the system, the energy that is lost by the iron is:
Q = S*ΔT*m
Where Q is heat, S is specific heat of iron ΔT is change in temperature and m is mass of the piece of iron.
S = 0.449J/gK
ΔT = 101.62°C - 25.68°C = 75.94°C
m = 65.454g
Q = 0.449J/gK*75.94°C*65.454g
Q = 2232J
How many chlorine atoms are on the products side of the reaction 2 Li +
MgCl2 → 2 LiCl + Mg?*
Answers
Answer:
2 chlorine atoms on the product side.
Help as fast possible I’ll mark you bbrainlist
Answers
Answer:
the farther they are the longer there cycle is. closer they are shorter time.
What is the amplitude ?
Answers
Answer: The amplitude is a measure of the strength or intensity of the wave
Explanation: when looking at a sound wave, the amplitude will measure the loudness of the sound.
What is a reaction rate? PLEASE HELP
a. measure of the potential energy differences in reactants and products
b. measure of the activation energy needed
c. measure of how fast products are made
d.measure of collisions between molecules
Answers
Answer:
c
Explanation:
Reaction rate, in chemistry, the speed at which a chemical reaction proceeds.if you're studying the same thing I am then that would be it
In sexual reproduction, a genetic mutation can ONLY be passed down to the offspring if it occurs in the sex cells.
True
False
Answers
Which is a compound?
A. Orange and black shirts in a drawer
B. An alloy of copper and iron
C. Silicon and carbon in a molecule
D. A copper statue
please help, on a pex ! brainliest and an extra 50 points if right
Answers
Explanation:
c Silicon and carbon in a molecule
Mu Cephei is no longer considered a main sequnce star. This means it has run out of:
A:hydrogen
B:Helium
C:Oxygen
D:Iron
Answers
Answer:
A: Hydrogen
Explanation:
Plz give me brainliest it really helps!
identify the element present in the following compound zinc chloride
Answers
Answer:
Zinc Chloride: ZnCl2
Molar Mass: 136.315 grams per mole
Density: 2.907 grams per cubic centimetre
Melting Point: 563 K (290oC)
Boiling Point: 1005 K (732oC)
Explanation:
Brainliest please?
The bond between sodium and chlorine in the compound sodium chloride (NaCl) is a/an:
Answers
1. In which area are you most likely to find plants that can tolerate water that has a constantly
changing salt content?
A. a freshwater stream
B. an estuary
C. a a pond
D. a coral reef
Answers
Answer:
I would think B, an estuary. But I'm not sure.
Explanation:
The area where the plants should be find in which the water should be tolerated should be estuary.
What is an estuary?An estuary refer to the enclosed body with respect to the brackish water that have one or more rivers or streams that should be flow into it. Also, there should be free connection to the open sea. It should be considered as the transition zone that lies between the river environment and maritime environment
Therefore, we can conclude that the option b is correct.
Learn more about plants here: https://brainly.com/question/2725037
Sodium atom with electronic configuration 2,8,1 achieves stable electronic configuration by losing one electron thereby achieving stable electronic configuration of the nearest Noble gas
(argon/ neon/ helium).
Answers
Ples help is it Fission, Fusion, or Both 1. Incredibly high amounts of energy are released. ____ 2. Results in a nuclear change. ______ 3. The end product is heavier. _____ 4. Two nuclei become one. ____ 5. The end product is lighter. ____
Answers
Answer:
1. fission
2. both
3. fusion
4. fusion
5. fission
Explanation:
Fission refers to the splitting of a single nucleus into two or more small nuclei while fusion refers to the combination of two or more small nuclei into one heavy nucleus.
When a single heavy nucleus splits, energy is released and the end products are 2 or more lighter nuclei. On the other hand, when several light nuclei fuse into one nucleus, energy is absorbed and the end product is one heavy nucleus. Both fission and fusion result in a nuclear change.
how does eating contribute to the flow of energy in a ecosystem
Answers
Answer:
Eating contributes to the flow of an ecosystem because in a food web/chain, there is always a consumer. Starting from the very bottom of the food web/chain, all organisms eat to pass on the energy to the next cosumer. For example, a grasshopper eats some grass. That grass is made into energy. Then, a possum eats that grasshopper, the energy from the grasshopper converting to the energy of the possum. Then a giant snake comes along and eats the possum. The energy keeps flowing up and up the food chain as animals consume(and be consumed).
-Carbon bonds in food are broken, which releases energy.
-Weathering breaks down rocks into chemicals like sulfur and nitrogen. -Consumers make food using light energy from the sun.
-Energy is absorbed as heat when plants make food
help help help plsss
Answers
Answer:
4.58×10^3
3.72×10^7
Explanation:
3.8×10^2 =380
+ 4.2×10^3=4200
= 4580 = 4.58×10^3
The size of an atom would be described in _______.
Answers
Answer:
atomic radius
Explanation:
so radius
Answer:
Explanation:
The average size of an atom is about 100 picometers or one ten-billionth of a meter. Almost all of the mass of an atom is in its nucleus; almost all of the volume of an atom is occupied by electrons. The number of protons (also known as its atomic number) determines the element. Varying the number of neutrons results in isotopes.
what describes a property of all elements
