HELP ASAP!!! Use the drop down menus to complete the sentence. The Florida peninsula is a ____ made of sedimentary rock ____

Answer:

0.768 m

Explanation:

1 cm = 0.01 m

76.8 cm * 0.01 m/ 1 cm

0.768 m

Answer: If only max or min yes but if we have min and max that is a bad idea it is not as safe.

Answer:

The correct option is;

A. Branched chain alkanes

Explanation:

By the process of cracking of petroleum, higher quality petrol are formed by converting straight chain petrol to branched petrol, which are the grade of petrol that burns more smoothly and therefore efficiently within internal combustion engines

The cracking process includes;

a) The conversion of alkanes which are large molecules into branched octanes

b) The conversion of alkanes with straight chain into branched chain alkanes

c) The formation of a branched chain alkane and an alkene from straight chain alkanes

d) The formation of branched chain alkane and hydrogen gas from a straight chain alkane.

The shortest distance taken by the object to reach the destination at a minimum time is called acceleration. Thus value acceleration depends upon the displacement and time.

Answer:

Stress

Explanation:

Stress increases along faults and leads to rock breaking. Therefore option D is correct.

Along faults, stress builds up in the rocks due to the movement and interaction of tectonic plates. Stress is the force applied to the rocks, and it can occur in various forms, such as compression, tension, or shear. As the stress increases, the rocks become more strained and are pushed to their breaking point.

When the stress exceeds the strength of the rocks, they can no longer withstand the applied forces and break, resulting in an earthquake. The release of accumulated stress along the fault causes the rocks to rupture and generate seismic waves, leading to ground shaking and the propagation of energy throughout the Earth's crust.

Therefore, stress is the primary factor that increases along faults and ultimately leads to rock breaking and the occurrence of earthquakes.

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Answer:

2.5 g mass of Ra-226 will remain after 4800 years.

Explanation:

Given data:

Mass of Ra-226 = 20 g

Sample remain after 4800 years = ?

Solution:

Half life of Ra-226 = 1600 years

Number of half lives passed = T elapsed / half life

Number of half lives passed = 4800 year / 1600 year

Number of half lives passed = 3

At time zero = 20 g

At first half life = 20 g/2 = 10 g

At 2nd half life = 10 g/2 = 5 g

At 3rd half life = 5 g/2 = 2.5 g

Thus, 2.5 g mass of Ra-226 will remain after 4800 years.

Answer:

The kettle on the stove takes thermal energy from the stove and uses it to convert water into steam at constant temperature. The molecules of water vibrate with increasing speeds when the temperature of water increases. When the temperature of water reaches the boiling point, water starts to change its state to steam.

Explanation:

Answer:

6CO2 + 6H2O ----> C6H12O6 + 6O2

Explanation:

Photosynthesis is the process by which green plants manufacture their own food using sunlight in the presence of carbon dioxide water and chlorophyll.

Chlorophyll is the pigment in plants that absorbs light.

The equation of photosynthesis is shown in the answer section above. Sugar and oxygen are the first products of photosynthesis.

Answer:

A (option) .............

Answer:

Al2O3

Explanation:

ZnO,Al2O3,PbO2 are some of the amphoteric oxides

Amphoteric oxides are metal oxides that can react with both acids and bases,so Aluminum oxide can react with both HCl and Sodium hydroxide which is a base

Answer:

c.

Explanation:

If the object starts to slide it must be on a slope.

There are 2 forces acting on the object - gravity and the friction between the object and the surface.

If sliding starts then the forces must be unbalanced.

The force of gravity is greater than the friction.

Answer:c

Explanation:

Volume of Ammonia(NH₃) = 22.4 L

Given

Reaction

3CuO+2NH₃⇒ 3Cu + 3H₂O+ N₂

In the problem, the CuO coefficient should be 3 not 2

M CuO = 80

mass CuO = 120 g

Required

The volume of NH₃

Solution

mol CuO :

[tex]\tt mol=\dfrac{mass}{M}\\\\mol=\frac{120}{80}\\\\mol=1.5[/tex]

From the equation, mol ratio CuO : NH₃ = 3 : 2, so mol NH₃=

[tex]\tt \dfrac{2}{3}\times 1.5=1~mol[/tex]

Assume at STP(0 °C, 1 atm) ⇒1 mol = 22.4 L, then volume of NH₃=22.4 L

Complete Question:

Theresa creates an experiment where she mixes two red-colored substances together in a container and observes the solution slowly changing from red to blue for the next eight minutes. The solution becomes completely blue after eight minutes. What does this represent about the type of change happening in the container?

Group of answer choices

A. A chemical change started immediately and finished at eight minutes.

B. A non-chemical change started immediately and finished at eight minutes.

C. A chemical change occurred at four minutes.

D. A non-chemical change occurred at four minutes.

Answer:

A. A chemical change started immediately and finished at eight minutes.

Explanation:

A chemical reaction can be defined as the chemical process which typically involves the reaction between two or more chemical elements (substances) to form a new compound, through the rearrangement of the ionic or molecular structure of each chemical element.

This ultimately implies that, a chemical reaction is a chemical change that immediately starts when two or more molecules of a chemical element (substance) known as reactants are combined together to form a new product (compound).

In this scenario, Theresa creates an experiment where she mixes two red-colored substances together in a container and observes the solution slowly changing from red to blue for the next eight minutes. The solution becomes completely blue after eight minutes. Thus, what this represent about the type of change happening in the container is that, a chemical change (from red to blue) started immediately and finished at eight minutes.

Answer: Metals: Li, Be, Na, Mg, Al, K, Ca, Sc, Ti, V, Mn, Fe, Co, Ni, Cu, Zn

Non-metals: H, He, C, N, O, F, Ne, Si, P, S, Cl, Ar

Metalloid: B

Explanation: The first 30 elements are H, He, Li, Be, B, C, N, O, F, Ne, Na,

Mg, Al, Si, P, S, Cl, Ar, K, Ca, Sc, Ti, V, Mn, Fe, Co, Ni, Cu, Zn

Metallic elements are more electropositive (tending to form ions by donating electrons) with fewer electrons in their outer shell

Non-metallic elements are more electronegative (tending to form ions by accepting electrons) with more electrons in their outer shell

Metalloids are elements somewhere between, but without any specific clear boundary between them and metals/non-metals

group1 and group2 elements, with one or two outer electrons, are all metals: Li, Na, K, Be, Mg, Ca

similarly the transition metals 21-30 are all electropositive and metals.

The noble gases He, Ne, Ar are gases that have completed outer shells and are non-metallic, likewise the halogens F, Cl with 7 outer electrons, and  O and S with 6 are non-metals. N and P (5 outer electrons) are non-metallic as are C and Si (4 outer electrons).

This leaves H, B, Al. H, with its single electron close to the nucleus is a non- metallic gas. Al (3 outer electrons) is metallic, but B, has its 3 electrons close to the nucleus and has the in-between character of a metalloid.

Answer:

It represents the noble gas that precedes the period before Potassium.

Explanation:

Period before potassium is 3, the noble gas in that period is Ar (Argon). So when condensing the electron configuration of Potassium, Argon can account for 18 electrons instead of writing out 18 electrons in full form from 1s2, 2s2 etc.

Answer:

0.364 L

Explanation:

Para resolver este problema es necesario expresar la densidad en g/L.

Para hacer esa conversión primero convertimos m³ en L:

Y después convertimos kg en g:

Finalmente dividimos la masa deseada (400 g) entre la densidad, para calcular el volumen:

Answer:

Atomic mass = proton + neutron

31+33= 64

Number of proton = Atomic number = 31

Charge of element is +3

Explanation:

If the resistor is in series to the voltage supply then 0.12A current will also flow through it.

(How the resistor is placed in relation to the supply is unknown)

Answer: Since the vials are filled the same, and are placed on the same hot pad, all the water will evaporate at the same time

Explanation:

The source of error in the experiment  is the vials  being filled the same, and  placed on the same hot pad, all the water evaporating at the same time .

Errors in chemical analysis result when there is a difference between observed value and the true value.If the magnitude of errors is large , it results in decrease in accuracy, reproducibility, and precision.

There are three types of errors:1) random error 2) systematic error 3) human error.The cause of random errors are difficult to quantify while the human errors can be minimized by taking a range of readings to reduce the error.

Errors while measuring boiling point may be human errors while noting down the boiling temperature or instrumental or systematic error if there is a fault in the thermometer.

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[tex]2032533 \sq22222rt[2]{?} [/tex]

Answer:

You can not see the sugar.

Explanation:

Answer:

It's the second one down.

Explanation:

Gold

Mass 197

Number of Protons: 79

Number of Neutrons: 197 - 79 = 118

Number of electrons: = number of protons = 97

Answer:

It has to be weak vander waal's forces of attraction.

Answer:

The tail and the rings are held together by the force of gravity.

Answer:

Mass of 0.50 bushel = 5 Kg

Explanation:

Given data:

Number of apples in 0.20 bushel = 1 dozen

Mass of 1 dozen apple = 2.0 Kg

Mass of 0.50 bushel apple = ?

Solution:

First of all we will calculate the number of dozen of apple in 0.50 bushel.

 (1/0.20) ×0.50 = 2.5 dozen

Mass of 0.50 bushel = 2.5 dozen × 2.0 Kg/1 dozen

Mass of 0.50 bushel = 5 Kg

Answer:

yep.

Explanation:

I love to wear oversized hoodies and I get soft comfy blankets and watch movies. Have a nice night! :)

Answer:

beta

Explanation:

Answer:

fullerene

Explanation: