Answer:humans have put ridiculous amounts of carbon dioxide into the atmosphereThese events are linked to the mass burning of fossil fuels to meet an increase in human demand
So the answer is True
Explanation:
Burning fossil fuels, such as coal and oil, has increased the quantity of greenhouse gases in our atmosphere since the Industrial Revolution began around 1750.
What is atmosphere?Atmosphere is defined as a layer of gas that surrounds a planet and is kept there by the gravitational pull of the planetary body. The atmosphere of Earth includes five primary layers and a number of minor ones.
Industrial revolution is defined as the transition of an economy based on agriculture and handicrafts to one driven by industry and machine production. The causes of industrial revolution are the advent of capitalism, European imperialism, efforts to mine coal, and the effects of the Agricultural Revolution are some of the factors that historians have recognized as contributing to the Industrial Revolution.
Thus, burning fossil fuels, such as coal and oil, has increased the quantity of greenhouse gases in our atmosphere since the Industrial Revolution began around 1750.
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What will the final temperature of the a block of brass with a mass of 30.6 g is at 87.4°C
after it's added to 62.3 g of water at 28.3°C. The specific heat of aluminum is 0.380
J/gºC.
The final temperature of the block of brass with a mass of 30.6 g at 87.4°C is 30.82°C.
SPECIFIC HEAT CAPACITY:
The amount of heat absorbed or released by a substance can be calculated using the following formula:Q = m × c × ∆TQ(water) = - Q(metal)(m × c × ∆T) water = - (m × c × ∆T) metalAccording to this question;
METAL:
m = 30.6gc = 0.380 J/g°C∆T = T - 87.4°CWATER:
m = 62.3gc = 4.184J/g°C∆T = T - 28.3°C62.3 × 4.184 × (T - 28.3) = - {30.6 × 0.380 × (T - 87.4)}260.7T - 7376.8 = - {11.63T - 1016.3}260.7T - 7376.8 = -11.63T + 1016.3260.7T + 11.63T = 1016.3 + 7376.8272.33T = 8393.1T = 8393.1 ÷ 272.33T = 30.82°CTherefore, the final temperature of the block of brass with a mass of 30.6 g at 87.4°C is 30.82°C.Learn more at: https://brainly.com/question/11194034?referrer=searchResults
Which of the following elements has the lowest first ionizition energy ?
1 ) Li
2)Mg
3) Na
4) Al
Answer:
I think Mg is correct I am not sure
Does molasses need to be refrigerated after opening?
Question 4 (1 point)
Model A
In the molecule above, the black circles are Carbon, the blue circles are Hydrogen
and the red circles are Oxygen. Which formula below is correct for this molecule?
C4H404
C2H402
Answer:
C2H4O2
Explanation:
Jus took USA Test prep test
Compound Y dissolves in ethanol but not water what type of bond is Y ?
Covalent Bond.
Explanation: Covalent compound are soluble in organic solvents (non polar) but insoluble in water (polar).
Ethanol being both polar and non polar can dissolve covalent compound.
what happens when phosphorus forms an ion?
Answer:
Phosphorus would form a -3 charge
Explanation:
Phosphorus has five outer electrons that can bind atoms. As a result, Phosphorus forms a ion has a charge of -3.
If a car is moved 10 meters and 3 Newton's of force is needed to move the car, what amount of workhas
been done?
Work required = 30J
This is because work = F * x
F (Newton's force) = 3N
x (car moved) = 10m
Work = 3 * 10 = 30J
Which of the following are elements? (Select all that apply.)
KCl
Na
C
H2O
Answer:
Na(Sodium) and C(Carbon) only
Answer:
Na, C
Explanation:
1. KCl, or potassium chloride, is a combination of two elements- so it's a chemical compound.
2. Na, or sodium, can be found on the periodic table of elements. Therefore, it is an element.
3. C, or carbon, can also be found on the periodic table of elements. Therefore, it is an element.
4. H20, or water, is a combination of 2 hydrogen atoms that bonded into an oxygen atom. Combination of 2 or more elements is a chemical compound.
Therefore, the answers are Na and C.
2. The mass number tells the total number of
nucleus of an atom. These particles collectively are called
both are located in the nucleus.
Answer: The mass number tells the number of protons.
Explanation:
Cómo se clasifica el aire?
Answer:
Not me
Explanation:
What’s a conjugative Bas of OH-
Answer:
the answer is O²- hopefully
Compare the box on the left containing the reactants in a chemical reactions. Which box on the right is the correctly represents the products according to the Law of Conservation of mass?
A) A.
B) B.
C) C.
D) D.
Answer:
d is the right answer
please mark me brainlist
a. Law of conservation of matter
i. What does the law say about matter?
Can someone answer that first this pls im lost
how would you distinguish a simple microscope from a compound one
Answer:
A simple microscope employs a concave mirror. A compound microscope employs a plane mirror at one side and a concave mirror at the other. It contains only one adjustment screw to move the limb up and down for focusing on the object.
Answer:
D po
Explanation:
Sana nakatutulong
#Carry on learning
Pa brainliest po
6.02 times 10 to the 23 atoms of an element have a mass in grams equivalent to the mass of how many of the atoms in amu?
Answer:
Relation between AMU and Gram
The mass of an atom in amu is numerically the same as the mass of one mole of atoms of the element in grams. One atom of sulfur has a mass of 32.07 amu; one mole of S atoms has a mass of 32.07 g. For compounds, the molecular mass (in amu) is numerically the same as the mass of one mole of the compound in grams.
Explanation:
i hope this helps and can i have branly plz
Are bath bombs pure substances or mixtures
Answer:
Yes.
Explanation:
Bath bombs are usually made from three key ingredients: baking soda, citric acid and cornstarch, said Frankie Wood-Black, an instructor in chemistry at Northern Oklahoma College and an experienced bath-bomb maker. Often, bath bombs also include dyes and perfumes, and sometimes they have epsom salt.
Answer: yes
Explanation:
Assume trilobites went extinct 248 million years ago.
If a trilobite is found in a rock layer, what do you
know about the age of that rock layer?
Answer:
the rock layer is at least 248 million years old
Explore
Why do we fill balloons
with helium gas instead
of oxygen gas?
Answer:
Helium is less dense. Because helium is lighter than air, a helium balloon rises, just as an air bubble rises in more dense water
Explanation:
Also why not. It just is.
Answer:
This is due to the fact that helium has a lower density. A helium balloon rises like an air bubble in more dense water because helium is lighter than air. Another gas lighter than air is hydrogen, which is even lighter than helium.
Explanation:
Classify each of the following as abiotic or biotic.
A. Sand
B. Grass
C. Air
D. Rabbits and deer
E. Humans
Answer:
D.Explanation:
#I'm not sure#happy learningWhat was the effect of increasing the water's mass?
In Experiment 1, what volume did the propane gas occupy in the Erlenmeyer flask before the addition of any water?
This question is mentioning an experiment that is not being described about the volume of the propane gas in an Erlenmeyer before the addition of water.
In this case, since no information is given, it is possible to propose a suggested procedure of how to figure it out via gas laws, specifically, the ideal gas one, since no change is decribed before the addition of water:
[tex]PV=nRT[/tex]
Thus, you can solve for the volume, by dividing both sides by the pressure, so that you will get:
[tex]V=\frac{nRT}{P}[/tex]
Now, to ensure a correct calculation, make sure you have the moles (divide by the molar mass of propane, 44,1 g/mol, if you were given the grams), the temperature in K (add 273.15 if you have degree Celsius), the ideas gas constant as 0.08206 and the pressure in atm, in order to have consistent units.
If you need the volume in milliliters, you will need to multiply the previous answer by 1000 in order to perform the appropriate conversion.
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https://brainly.com/question/15268548https://brainly.com/question/16521007Matt is conducting an experiment where he compares the properties of water and
lemonade. The first stage of the experiment is focusing only on the physical properties of?
Answer:
sitric acid from lemon
Explanation:
there
The first stage of the experiment is focusing only on the physical properties of acidic property.
What is physical property?A physical property would be any quantifiable attribute whose value describes the condition of a physical system. Changes in a system's physical attributes are able to characterize its transitions between brief states. Physical attributes are sometimes known as observables.
Physical characteristics are frequently classified as intense or extensive. An intense property is independent of the system's size or extent, as well as the amount of material in the item, whereas an extended property has an additive link. The first stage of the experiment is focusing only on the physical properties of acidic property.
Therefore, the first stage of the experiment is focusing only on the physical properties of acidic property.
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Holding a marshmallow near a campfire flame causes it to turn brown even if the marshmallow does not touch the flame. Why does this happen?
A.
Dust blowing through the air causes the marshmallow to brown.
B.
Hot air in the atmosphere cooks the marshmallow.
C.
Heat radiates from the fire and cooks the marshmallow.
D.
Smoke and soot from the fire cause the marshmallow to brown.
Answer:
The answer is, C. Heat radiates from the fire and cooks the marshmallow.
Answer:
C Heat radiates from the fire and cooks the marshmallow.
Explanation:
Heat can be transferred through space through the process of radiation. The marshmallow is toasted because heat radiates from the fire and cooks the marshmallow.
How do I convert 50 years into seconds. Express your answer in scientific notation?
Answer: 15768 seconds
Explanation: (50 years) x (365 da/yr) x (86,400 sec/da)
= (50 x 365 x 86,400) seconds
= 1.5768 x 10⁹ seconds
Identify the location of oxidation in an electrochemical cell.
Answer:
Anode
Explanation:
Electrochemical cells have two conductive electrodes, called the anode and the cathode. The anode is defined as the electrode where oxidation occurs.
If the average speed of a car is 45 km/hr, how far can it travel in 0.5 hours
Answer:
22.5 Km
Explanation:
45km/hr * 0.5 hr = 22.5km
Why does in the golf stream warm and provide it’s Rhode Island or Bangor Maine
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chemical equations for sodium sulphate, potassium sulphate, magnesium sulphate, calcium sulphate
Explanation:
2NaOH + H2SO4 --> Na2SO4 + 2H2O
2KOH + H2SO4 --> K2SO4 + H2O
Mg(OH)2 + H2SO4 --> MgSO4 + 2H2O
Ca(OH)2 + H2SO4 --> CaSO4 + 2H2O
what is the accepted iupac name for the compound mg3p2?
There are two types of chemical compound one is covalent compound and other is ionic compound, covalent compound formed by sharing of electron and ionic compound formed by complete transfer of electron. Therefore, the IUPAC name of the Mg[tex]_3[/tex]P[tex]_2[/tex] is Tri magnesium Di phosphide.
What is chemical Compound?Chemical Compound is a combination of molecule, Molecule forms by combination of element and element forms by combination of atoms in fixed proportion.
An ionic compound is a metal and nonmetal combined compound. Ionic compound are very hard. They have high melting and boiling point because of strong ion bond. The IUPAC name of the Mg[tex]_3[/tex]P[tex]_2[/tex] is Tri magnesium Di phosphide. The oxidation state of phosphide is -3.
Therefore, the IUPAC name of the Mg[tex]_3[/tex]P[tex]_2[/tex] is Tri magnesium Di phosphide.
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