Answer:
The air pressure in tires increases as the temperature goes up. Scientists have figured out that for every 10 degrees (Fahrenheit) that the temperature rises the tire pressure will increase by one pound per square inch
Explanation:
Answer:
decrease
Explanation:
Why do fossil fuels such as crude oil contain varying amounts of nitrogen and sulfur? Pls help
Answer:
See explanation
Explanation:
Fossil fuels are formed from the remains of plants and animals that have been subjected to intense pressure during the carboniferous era. These plants and animal remains undergo the process of fossilization to yield the fossil fuels we have today such as crude oil.
Living organisms are composed of elements which include nitrogen and sulphur. Since these fuels originated from dead organisms, they also contain these elements found in living organisms.
Hence, fossil fuels such as; coal, crude oil, and natural gas contain 0.05%-0.5% sulfur and 0.5%-2.1% nitrogen.
Is temperature and pressure directly proportional or inversely proportional?
A. Inversely proportional
B. Directly proportional
Analyzing models compare an atom’s structure to a ladder. Identify one way in which ladder is not a good model from the atom.
Answer:
Climbing a ladder assumes that you would touch/use each step only once. Electrons will take one layer that is empty first, and previous layers or "steps" will continue being filled with additional electrons only when every other layer is occupied by, at least, one electron.
Explanation:
A good analogy is what passengers in a bus do. Everyone tries to sit alone first and only when every pair of seats has a person already seated, people will use them as well, sitting next to each other.
If the temperature of a chemical reaction was reduced, how could the reaction rate most likely be increased?
Group of answer choices
decrease the pressure acting on the system
add a chemical inhibitor
decrease the surface area of the reactants
increase the concentration of the reactants
Answer:
Increase the concentration of the reactants.
Explanation:
This question seems vague, but to put it simply, the reaction rate decreases with a decrease in temperature, so we need to find a way to increase the reaction rate again. When you lower temperature, the molecules are slower and collide less. So therefore, in other words, we need to find a way to increase the rate of collisions between molecules. When the temperature drops, if we increase the concentration of the reactants, we are able to increase the rate of collisions between molecules. As a result, reaction rate is increased once again.
If the temperature of a chemical change was reduced,the reaction rate could most likely be increased by increasing the concentration of the reactants.
What is a chemical change?Chemical changes are defined as changes which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical change.
There are several characteristics of chemical changes like change in color, change in state , change in odor and change in composition . During chemical change there is also formation of precipitate an insoluble mass of substance or even evolution of gases.
There are three types of chemical changes:
1) inorganic changes
2)organic changes
3) biochemical changes
During chemical changes atoms are rearranged and changes are accompanied by an energy change as new substances are formed.
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Which statement best describes a chemical reaction in which energy is released?
The chemical reaction in which energy is released is referred to as an Exothermic reaction.
What is an Exothermic reaction?This is the type of reaction in which the overall standard enthalpy change is negative.
This is however as a result of the energy being released when a chemical reaction takes place under certain conditions.
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What causes lava to not instantly melt ice sheets when it is poured onto it?
Answer:
Dry ice
Explanation:
Answer:
The lava doesn't melt through ice because the steam ice sits on top of a blanket of steam rather than on top of the ice itself. This means the friction between the lava and the ice is very low.
Explanation:
Calculate the volume occupied by 2.00 moles of H2 at 300.0 Kand 1.25
atm
Answer:
39.4 Liters
Explanation:
Using the general gas law equation as follows:
PV = nRT
Where;
P = pressure (atm)
V = volume (L)
n = number of moles (mol)
R = gas law constant (0.0821 Latm/molK)
T = temperature (K)
According to the information provided in this question;
P = 1.25atm
V = ?
T = 300K
n = 2.00mol
Using PV = nRT
V = nRT/P
V = (2 × 0.0821 × 300) ÷ 1.25
V = 49.26 ÷ 1.25
V = 39.41
V = 39.4 Liters
What is the molarity of a solution made by diluting 0.025L of 6.0 M HCl until
the final volume of the solution is 1.75 L?
Answer:
Explanation:
Use the dilution equation: M1V1 = M2V2
M1 = 6.0 M
V1 = 0.025 L
M2 = ?
V2 = 1.75 L
(6.0 M)(0.025 L) = M2(1.75 L)
Solve for M2 --> M2 = 0.086 M HCl
Use the drop down menus to answer the questions. In what type of plate boundary did subduction occur? In what type of plate boundary did new crust form? In what type of plate boundary did mountains form? In what type of plate boundary did volcanoes form? In what type of plate boundary did a river change its path? Use the drop down menus to answer the questions. In what type of plate boundary did subduction occur? In what type of plate boundary did new crust form? In what type of plate boundary did mountains form? In what type of plate boundary did volcanoes form? In what type of plate boundary did a river change its path? Use the drop down menus to answer the questions. In what type of plate boundary did subduction occur? In what type of plate boundary did new crust form? In what type of plate boundary did mountains form? In what type of plate boundary did volcanoes form? In what type of plate boundary did a river change its path?
Answer:
the answers to this is Convergent, Divergent, Convergent, Convergent, and Transform
Explanation:
i just answered it :))
In different types of plate boundaries, various geological features occur such as volcano and mountain formation.
What are plate boundaries?Plate boundaries are the areas where the edges of two tectonic plates meet.
Plate boundaries can either be divergent, convergent, or transform.
At different plate boundaries, different geological activities occur.
At convergent plate boundaries, subduction occurs.At divergent plate boundaroes, new crust forms.At convergent plate boundaries, mountains form.At convergent plate boundaries, volcanoes form. At transform plate boundaries, a river change its path.Therefore, at different types of plate boundaries, various geological features occur.
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Protons are in the nucleus of the atom and have a positive charge.
True or False?
TICLA ruuis SLCLLICU 10115CI.
Question 3 (1 point)
Which option correctly ranks the states of matter from slowest to fastest particle
speed.
gas, liquid, solid
solid, liquid, gas
solid, gas, liquid
gas, solid, liquid
What happened during the fusion reaction shown?
Answer:
the answer to this question B. Two H nuclei that fused into one He necleus
Explanation:
Two hydrogen atoms fused to one helium molecule, hence option B is correct.
What is fusion?Fusion is defined as a process in which two or more atomic nuclei unite to create new atomic and subatomic particles. Heat, which is produced when two atoms fuse, is the key to generating energy. Similar to how nuclear fission produces energy, this heat can be utilized to warm water, produce steam, and turn turbines to produce electricity.
In the core of the Sun, hydrogen is being converted to helium. This phenomenon is known as nuclear fusion. Fusion is what powers both the sun and the stars. One example of this kind of reaction is when two hydrogen atoms combine to form a helium atom. During the process, a portion of the hydrogen's mass is converted into energy.
Thus, two hydrogen atoms fused to one helium molecule, hence option B is correct.
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Solar energy converts ___ into either ___ energy or electrical energy.
electromagnetic, thermal
electromagnetic, potential
thermal, nuclear
chemical, thermal
Answer:
Hey mate....
Explanation:
This is ur answer.....
Solar radiation can be converted either into thermal energy (heat) or into electrical energy.Hope it helps!
mark me brainliest plz......
Follow me! :)
Please help!!! Will give brainlist
What is the proper name for the common sunflower
Answer: Helianthus L. Sunflower
Explanation:
Answer: Helianthus L.
Explanation:
An object was measured by a worker as 35.6 cm long, however, the manufacturer specifications list the length of the object at 35.0 cm. What is the percent error in the workers measurement?
How many copies of DNA do haploid cells have
Answer:
2 lol
Explanation:
The mass of an object is measured in grams or kilograms TRUE OR FALSE
Answer:
True
Explanation:
The bigger mass is measured in kilograms and smaller in grams
3. How does genetic variation allow humans to survive long-term? Which
type of reproduction is responsible for genetic variation?
Answer:
more genetic variation within a population usually enables more phenotypic variation.
Explanation:
Because natural selection acts directly only on phenotypes, Some new alleles increase an organism's ability to survive and reproduce, which then ensures the survival of the allele in the population.
Genetic variation lets the organisms survive long term as it increases the phenotypic and the genotypic variation. Genetic variation is due to the type of reproduction that involves two parents.
What is genetic variation?Genetic variation is the modification of the original genome of the organism by genetic recombination and mutation that can be beneficial in the survival and the natural selection process.
Reproduction involving two parents of the same species allow genetic variation as the process of independent assortment and crossing over of the chromosomes inherited from both creates species with different traits and genotype.
Therefore, the reproduction involving two parents results in genetic variation.
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The unit of measure for potential and kinetic energy is the
Answer:
kilograms x meters2/seconds2
Explanation:
Answer:
kilograms x meters2/seconds2
Explanation:
What happens when a chemical reaction reaches equilibrium
Which of the following describes wind direction?
Wind direction is reported by the direction from which it originates. For example, a north or northerly wind blows from the north to the south. Wind direction is usually reported in cardinal (or compass) direction, or in degrees.
determine the velocity of a cart traveling at 135cm in 5.5s.
Answer: 0.245 m/s
Explanation:
So velocity = d/t or distance over time in this case m/s or meters per second. But BE CAREFUL you must remember to convert cm to m always so 135 cm= 1.35m and 1.35m/5.5s= 0.245m/s
Which type of cell would you expect to contain large amounts of mitochondria?
fat cells
muscle cells
liver cells
skin cells
muscle cells hope it helps
2. Mitosis is great for repair and damage. TRUE OR FALSE
Answer:
TRUE
HOPE THIS HELPS!
Explanation:
Answer:
True
Explanation:
How do we know if molecules have kinetic energy?
Why does a DNA fingerprint require millions of copies of each DNA fragment
Answer:
Because it can identify a person.
A DNA fingerprint is a piece of DNA so distinct that it can prove a person's identity. These distinct areas can take on many different forms, but each form is unique to any one individual.
PCR allows the amplification of a single copy of DNA into millions of copies. However this technique requires that the DNA of interest already be of a known sequence in order to design primers that will specifically hybridize to the target DNA.
It is important as:
It's used as evidence in courts, to identify bodies, track down blood relatives, and to look for cures for disease.
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Which particles make up most of the mass of an atom?
i think Neuterons i am right
Answer:
I do not know srry
Explanation:
What is the rate of effusion of Xenon (Xe) gas if the rate of Chlorine (Cl) gas escaping
through a fluorescent light fixture is 2.5 L/min?
why are metals poor choices for coffee mugs?
Answer:
They will stay too hot.
Explanation:
You would burn yourself on the mug and your drink would be too hot to drink.