Why would it be harder to jump on the planet Jupiter than on Earth?
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Answer:

b

Explanation:

ur welcome

Answer: [tex]C_3H_8+5O_2\rightarrow 3CO_2+4H_2O[/tex]

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The balanced chemical equation for combustion of propane will be :

[tex]C_3H_8+5O_2\rightarrow 3CO_2+4H_2O[/tex]

Answer:

6.7%

Explanation:

The formula of the compound is given as:

        C₆ H₁₂  O₆

The problem here is to find the percent composition of hydrogen.

First;

Find the molar mass of C₆ H₁₂  O₆  = 6(12) + 12(1) + 6(16)  = 180g/mol

Secondly;

Percentage composition of H = [tex]\frac{molar mass of H}{Molar mass of compound}[/tex]  x 100

Percentage composition of H = [tex]\frac{12(1)}{180}[/tex] x 100  = 6.7%

Answer:

will go do that.

Explanation:

Answer: The statesmen that best describes the weather shown by the blue triangles going one way and the red semi-circles going the other way on a line in the weather map is “warm front brings drizzly weather.

Answer:

A stationary front may produce rainy or snowy weather for several days.

Explanation:

Answer:

"it can help us explain the universe" or "it can help us study how cells in the body function"

Explanation:

you choose which one you want but their still both technicly right

Answer:

I just love the killua pfp

I think b

Answer:

c

Explanation:

because it forces and help it

Answer:

False

Explanation:

Heres what its made of:

The core is made of hot, dense plasma (ions and electrons), at a pressure estimated at 265 billion bar (3.84 trillion psi or 26.5 petapascals (PPa)) at the center. Due to fusion, the composition of the solar plasma drops from 68–70% hydrogen by mass at the outer core, to 34% hydrogen at the core/Sun center.

The forming of bubbles when baking soda and vinegar are mixed is a result of chemical property.

Chemical properties of materials are properties that are due to the chemical composition of the materials.

The formation of bubbles when baking soda is mixed with vinegar is a result of the evolution of carbon dioxide gas.

Baking soda reacts with vinegar to produce carbon dioxide and other products according to the chemical equation below:

NaHCO3 + CH3COOH → CO2 + H2O + CH3COONa

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Answer:

Option C (two isotopes of an element)

Explanation:

An isotope is two or more forms of the same element that contain equal numbers of protons (as well as electrons) but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties. For example :-

Isotopes of carbon ⇒

In the question , both the atoms have same number of protons , but their number of neutrons isn't same. Hence , they are the isotopes of an element.

Answer:

1039.482

Explanation:

Answer:

Explanation:

When going from top to bottom in any group of the periodic table, the atomic radius always tends to increase

Answer:

C. A polar covalent bond

The most likely bond found in HBr is a polar covalent bond.

In HBr, both H and Br are nonmetals so the bond must be covalent. The difference in their electronegativities is:

ΔE = |EN(H)-EN(Br)| = |2.20-2.96| = 0.76

The most likely bond found in HBr is a polar covalent bond.

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Answer:

lighter atoms especially hydrogen

Explanation:

At the heart of the stars, nuclear fusion merges lighter atoms especially hydrogen together in the nucleus of atoms to create new elements.

During nuclear fusion small atomic nuclei combines to form larger ones with the release of a large amount of energy.

The energy released provides the needed temperature for another set of hydrogen atoms to fuse. This process is in turn yields another set of helium atom which releases a lot of energy.

A chain reaction progresses which leads to the formation of new elements.

Answer:

If an object is moving at a constant speed in a constant rightward direction, then the acceleration is zero and the net force must be zero.

According to Aristotle, a force is anything that causes an item to move "unnaturally." One of the first scientists to explore force and gravity was Sir Isaac Newton. A push or a pull is all that constitutes a force. It might be compared to pushing or pulling on an object.

An object's push or pull is seen as exerting a force. The interaction of the objects produces push and pull. You can also use words like stretch and squeeze to describe force.The definition of force in physics is. The push or pull on a mass-containing item changes its velocity.

An external force is an agent that has the power to alter the resting or moving condition of a body. It has a direction and a magnitude. The application of force is the location at which force is applied, and the direction in which the force is applied is known as the direction of the force.

The net force is:

Fnet = Fr - Fl = 10 - 8 = 2N

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D. A metal such as copper, because its atom have very mobile electrons         - A-p-e-x verified!

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The ice will float on the lake

Given

Mass of ice 57 g and a volume of 62 cm³

Required

Density

Solution

Density formula:  

[tex]\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}[/tex]

Input the value :

ρ = 57 g : 62 cm³

ρ = 0.919 g/cm³

Because the density of ice is less than water, it will float on the lake

.

Answer:

so is this a project or a quiz

Complete question: Learning Task 4: Read the following situations. Identify the part and the

function of the microscope mentioned in each situation. Write your answers in

your answer sheet.

Situation No. 1. Joey is about to start working on his experiment about plant

cell using a compound microscope. He noticed that one of the objective lens is

missing and the course adjustment knob is not working. The eyepiece lens is

also broken.

Answer: The parts of the compound microscope mentioned in this situation includes:

Objective lens, course adjustment knob and eyepiece lens.

Explanation: A compound microscope is a magnifying instrument which can be used to carry out various experiments in a laboratory. According to the working principle of a microscope, the magnified image of the object (plant cell) is first produced by a lens close to the object called the objective lens. This collects light from the object and forms the primary image. A second lens near the eye called the eyepiece lens enlarges the primary image,converting it into one that can enter the pupil of the eye. The different parts and the functions of the compound microscope observed by Joey includes:

--> Objective lens: The objective lens gathers light from the specimen, which is focused to produce the real image that is seen on the eyepiece lens. It's functions includes formation of primary image and determination of the quality of the image produced.

--> Course adjustment knob: This is the part of microscope that is used in focusing the specimen that is under observation through changing the distance between the lens and the specimen. Therefore it functions to bring the specimen into general focus.

--> Eyepiece lens: This is the lens that is closest to the eye of the observer. It functions to magnify the image formed by the objective lens as it's being placed near the focal length of the objective lens.

Explanation:

While CO2 can be distilled from the air, that method is expensive and inefficient. Therefore, it is usually captured from other sources where it is a waste material. This could be anything from brewing beer to burning fossil fuels. However, the most efficient way of producing carbon dioxide is from ammonia.

Answer:

Explanation:

An oil spill is a catastrophic event in the environment. It can negatively affect both plants and wildlife while causing human suffering and economic losses. An oil spill needn't be on the scale of the Exxon Valdez or Deepwater Horizon disasters. The U.S. Environmental Protection Agency (EPA) estimates that 200 million gallons of used oil are disposed of improperly each year.

Spilled oil floats on the surface of the water, blocking the sunlight, from reaching the plants within the body of water. Spilled oil may also directly coat the leaves of plants -- where most of the work of photosynthesis occurs -- reducing or blocking out sunlight. Without sunlight, plants lack the energy needed to undergo photosynthesis.

An oil spill can impact photosynthesis by reducing water quality. Not only does the presence of oil directly poison the water, but the spill can kill sea life, birdlife and other wildlife that uses an aquatic habitat. A large die-off can increase bacteria levels and lower the pH of a body of water. The reduction in water quality can stress plants, essentially halting photosynthesis.

Answer:

B. Liquid

B. Gas

Explanation:

I majored in Chemistry

Answer: Malleability

Explanation: cuz ... its right ... lol

Answer:

Explanation:

A ) Solar Radiation

B ) Evaporation

C ) Transpiration

D ) Condensation

E ) Precipitation

F ) Run Off

G ) Infiltration

H ) Groundwater .

The final volume : 807.69 cm³

Given

Initial volume : 840 cm³

Initial pressure : 750 mmHg

Final pressure : 780 mmHg

Required

The final volume

Solution

Boyle's Law  

At a fixed temperature, the gas volume is inversely proportional to the pressure applied  

[tex]\tt p_1V_1=p_2.V_2\\\\\dfrac{p_1}{p_2}=\dfrac{V_2}{V_1}[/tex]

Input the value :

V₂=(P₁V₁)/P₂

V₂=(750 x 840)/780

V₂=807.69 cm³

Answer: The 2 forces acting on the anvil are  weight and the pull of the  Gravity

Explanation:

Answer:

here are several resons that fossil foraminifera are especially valuable for determining the relative ages of marine rock layers. They have been around since the Cambrian, over 500 million years ago. They show fairly continuous evolutionary development, so different species are found at different times.

Answer:

when you skipped you jumped up but gravity pulls you to the ground when you jump

Explanation:

On skipping in a room, gravity affects the motion by pulling back to the ground.

Gravity has been defined as the force acting by the earth in the downward direction. It has been the strongest force and has been responsible for life on earth.

On skipping in a room from one end to another, there has been a force applied in the direction against gravity. The application of force has resulted in an upward motion. The gravitational force has been acting in the downward motion, and result in pulling back to the ground.

Thus, on skipping in a room, gravity influences the motion by pulling back to the ground.

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