please help this is for a really big grade thanks whoever gets it correct will be given brainliest and 50pts
Answers
Answer: Humans have increased the global temperature due to fossil fuel burning and are negatively contributing to the increase of CO2 emissions and greenhouse gases.
Explanation:
#1 Over the past century humans have negatively impacted the environment by increasing the global temperature due to fossil fuel emissions and a steady increase in the human population which has led to more resources being extracted and used.
#2 Human activities have brought a sudden increase in the global temperature recently due to the increase in greenhouse gas emissions from factories, automobiles, and homes. While we are beginning to use renewable resources, a large portion of our energy consumption still comes from the production and burning of fossil fuels.
#3 Some ways we can start to put a stop to global warming are by using renewable energy resources and decreasing the use of fossil fuel emissions. We can also decrease our carbon footprint by using electric powered vehicles and devices instead of petroleum burning automobiles and home appliances, and by riding bikes and walking over short distances.
Note: Please reword this a bit so you don't get in trouble for plagiarism.
Related Questions
Scientists discovered that earths core has two parts by studying?
Answers
Answer:
its not actually proven its just a hypothesis because they can't dig that deep because of the pressure
HELP PLEASE!!! time limited
Answers
Answer:Photon
Explanation: hope it helped
1. Calculate the mass (in grams) of 6.15 moles of the following:
a) P4010
b) AgC2H302
c) Fe(CN)
Answers
a. 2683.168 g
b. 2683.168 g
c. 663.468 g
Further explanationGiven
Compounds
Required
The mass
Solution
Mass = mol x MW
a) P4010 (MW=283.9 g mol−1)
mass = 6.15 x 283.9 g mol−1
mass = 1745.985 g
b) AgC2H302 (MW=436.2875 g/mol)
mass = 6.15 x 436.2875 g/mol
mass = 2683.168 g
c) Fe(CN)2 (MW=107.881 g/mol)
mass = 6.15 x 107.881 g/mol
mass = 663.468 g
How many Chorine atoms should bond with one Aluminum atom?
Answers
Answer:
three chlorine atoms
Explanation:
Using the phase diagram for CO2, what phase is carbon dioxide in at -70°C
and 1 atm pressure?
A. It is in the liquid phase.
B. It is in the solid phase.
C. It is at its melting point.
D. It is in the gas phase.
Answers
its a gas phase because... it is
To solve this we must be knowing each and every concept related to phase diagram. Therefore, the correct option is option D that is it is in the gas phase.
What is phase diagram?A phase diagram is a graph that displays a substance's thermodynamic properties at various pressures and temperatures. The areas around the lines depict the substance's phase, while the lines depict the points in which the phases are in balance.
Where planes of equilibrium converge, triple points appear. The situation in which 3 components of matter may coexist is known as a triple point. Using the phase diagram for carbon dioxide, gas phase of carbon dioxide is present at -70°C. The correct option is option D.
Therefore, the correct option is option D that is it is in the gas phase.
To know more about phase diagram, here:
https://brainly.com/question/16945664
#SPJ2
4. The type of thermal energy transfer that heats our homes is called
Answers
Answer:
conduction is the answer
im being timed
someone pls help
i have 3 minutes
1.) Name a metal and explain how the physical properties of this raw metal help change it into common household items?
2.)What is one chemical property Rb and Cu have in common?
Answers
pls helppp
37.9 grams of unknown substance undergoes a temperature increase of 25.0°C after absorbing 989 J. What is the specific heat of the substance?
Answers
The specific heat of the substance : c = 1.044 J/g °C J/g °C
Further explanationGiven
Heat absorbed by substance = 989 J
m = mass = 37.9 g
Δt = Temperature difference : 25 °C
Required
The specific heat
Solution
Heat can be formulated
Q = m.c.Δt
Input the value :
989 = 37.9 x c x 25
c = 989 : (37.9 x 25)
c = 1.044 J/g °C
A reptile egg is shown in the diagram.
Y
Which best describes the function of the structure
labeled Y?
O food source
O protection
waste collection
gas exchange
HELP
Answers
Answer:Its D
Explanation:
Trust
Answer:
food source
Explanation:
Got 100%
Which of these travels fastest in vacuum?
A. sound
B. water
C. air
D. light
thanks xx
Answers
Answer:
d, light waves!
Explanation:
Using your knowledge of geologic processes, explain why there are fertile, nutrient-rich soils on and surrounding volcanoes.
Answers
Answer:
Explanation:
Soil is made up of different components such as the organic matter, mineral content, air and water.
We find nutrient rich soil near volcanoes due to the geological processes involve.
A volcano is a landform which is made up of upwelling lava reaching the surface. The lava is made up of molten rocks. As they reach the surface, they cool and solidify. The agents of denudation, weathering, erosion, transportation and deposition breaks down the solidified rocks. They are then spread out round the area of the volcano.Is water wet? This is a discussion for easy points so I suggest you answer it.
Answers
Answer:
Water isn't wet by itself but it makes other materials wet. Like paper, clothes, shoes, etc.
Explanation:
What happens to the potential energy of a book that is dropped from a desk to the floor?
A.
It gains mass.
B.
It stays the same.
C. It increases as the book falls.
D.
It is converted into kinetic energy.
Answers
Answer:
D. It is converted into kinetic energy.
Explanation:
When a book is dropped from a desk to the floor, the potential energy of the book is converted to kinetic energy as it falls.
Potential energy of a body is the energy due to the position of the body. At a particular height, the potential energy is maximum. A body with mass and moving with velocity will have kinetic energyAs the book drops through the height, to conserve energy, the potential energy is converted to kinetic energy.Help please What would you do if your water was turned off? Where or how would you get water for you
and your family? Be specific, realistic, and creative on your answer.
Answers
Answer:
If the water was turned off i would go look for some in a river and filter it out and bring for my family too.
Explain:
H2SO4 + 2NaNO2 → 2HNO2 + Na2SO4
How many grams of NaNO2 do you need in order to make 24.14714 g of Na2SO4?
g (use 5 sig figs)
Answers
23.459 g NaNO₂
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightChemistry
Stoichiometry
Reading a Periodic TableUsing Dimensional AnalysisExplanation:Step 1: Define
[RxN] H₂SO₄ + 2NaNO₂ → 2HNO₂ + Na₂SO₄
[Given] 24.14714 g Na₂SO₄
Step 2: Identify Conversions
[RxN] 1 mol Na₂SO₄ = 2 mol NaNO₂
Molar Mass of Na - 22.99 g/mol
Molar Mass of N - 14.01 g/mol
Molar Mass of O - 16.00 g/mol
Molar Mass of S - 32.07 g/mol
Molar Mass of Na₂SO₄ - 2(22.99) + 32.07 + 4(16.00) = 142.05 g/mol
Molar Mass of NaNO₂ - 22.99 + 14.01 + 2(16.00) = 69.00 g/mol
Step 3: Stoichiometry
Set up: [tex]\displaystyle 24.14714 \ g \ Na_2SO_4(\frac{1 \ mol \ Na_2SO_4}{142.05 \ g \ Na_2SO_4})(\frac{2 \ mol \ NaNO_2}{1 \ mol \ Na_2SO_4})(\frac{69.00 \ g \ NaNO_2}{1 \ mol \ NaNO_2})[/tex]Multiply/Divide: [tex]\displaystyle 23.4587 \ g \ NaNO_2[/tex]Step 4: Check
Follow sig fig rules and round. We need 5 sig figs (instructed).
23.4587 g NaNO₂ ≈ 23.459 g NaNO₂
Answer:
23.458
Explanation:
I just did the quiz
Graduated cylinder is filled to 41.5mL with water, and a price of granite is placed in the cylinder displacing the level to 47.6mL. What is the volume of the granite piece in cubic centimeters
Answers
Answer:
6.1 cm³
Explanation:
To solve this problem we first need to keep in mind Archimedes' principle:
The volume of water (or any fluid) displaced by a submerged object is equal to the object's volume.With that in mind we calculate the volume of the granite piece in mililiters:
Volume displaced = 47.6 mL - 41.5 mL = 6.1 mLVolume of the granite piece = 6.1 mLGiven that one cubic centimeter is equal to one mililiter, the volume of the granite piece in cm³ is 6.1 cm³.
Can somebody plz help answer this science questions (only 1-2 sentences is good thx !
WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST!…promise :D
Answers
S
SIO₂ +3C Sic +20o
Sic ? mass in grams
С c-
Answers
Answer:
26.74g
Explanation:
The equation of the reaction is;
SIO₂ + 3C --> SiC +2CO
From the balanced equation, the relationship between SiC and C is;
3 mol of C produces 1 mol of SiC
Converting mol to mass using; Mass = moles * Molar mass
Mass of SiC = 1 mol * 40.11 g/mol = 40.11g
This means;
3 mol of C produces 40.11g of SiC
2 mol of C produces xg of SiC
3 = 40.11
2 = x
x = 2 * 40.11 / 3 = 26.74g
i’ll give brainliest to whoever is right
Answers
Organisms can be classified as
and
Answers
Answer:
Eukaryotes and prokaryotes
Explanation:
Fill in the blank. Elements in group 17 of the periodic table get more reactive as you go ___ the group.
Answers
Answer:
down the group
Explanation:
4. Two bulbs have a resistance of 20 ohms when working normally. They are placed in a series
circuit whey they operate normally. What is the combined resistance of the two bulbs?
(1 Point)
22 ohms
20 ohms
10 ohms
40 ohms
Answers
Answer:
R = 40 ohms
Explanation:
Two bulbs have a resistance of 20 ohms when working normally.
When they are placed in series, the combined resistance is given by :
R = R₁ + R₂
We have, R₁ = R₂ = 20 ohms
R = 20 +20
= 40 ohms
Hence, the combined resistance of the two bulbs is 40 ohms.
4. A sample of gas has a pressure of 700 mmHg and 30.0°C. Ar what temperature would the pressure be 600 mmHg if the volume remains constant?
Answers
Answer:
T₂ = 259.84 K
T₂ = -13.31 °C
Explanation:
Given data:
Initial pressure = 700 mmHg
Initial temperature = 30.0°C (30+273.15 K = 303.15 K)
Final temperature = ?
Final pressure = 600 mmHg
Solution:
According to Gay-Lussac Law,
The pressure of given amount of a gas is directly proportional to its temperature at constant volume and number of moles.
Mathematical relationship:
P₁/T₁ = P₂/T₂
Now we will put the values in formula:
700 mmHg /303.15 K = 600 mmHg / T₂
T₂ = 600 mmHg × 303.15 K / 700 mmHg
T₂ =181890 mmHg.K /700 mmHg
T₂ = 259.84 K
Temperature in celsius
259.84 K - 273.15 = -13.31 °C
How many moles of FeCI3 are present in 345.0 g FeCI3
Answers
Answer:
[tex]\boxed {\boxed {\sf About \ 2.127 \ moles \ of \ FeCl_3}}[/tex]
Explanation:
To convert from moles to grams, the molar mass must be used.
1. Find Molar Mass
The compound is iron (III) chloride: FeCl₃
First, find the molar masses of the individual elements in the compound: iron (Fe) and chlorine (Cl).
Fe: 55.84 g/molCl: 35.45 g/molThere are 3 atoms of chlorine, denoted by the subscript after Cl. Multiply the molar mass of chlorine by 3 and add iron's molar mass.
FeCl₃: 3(35.45 g/mol)+(55.84 g/mol)=162.19 g/molThis number tells us the grams of FeCl₃ in 1 mole.
2. Calculate Moles
Use the number as a ratio.
[tex]\frac{162.19 \ g \ FeCl_3}{1 \ mol \ FeCl_3}[/tex]
Multiply by the given number of grams, 345.0.
[tex]345.0 \ g \ FeCl_3 *\frac{162.19 \ g \ FeCl_3}{1 \ mol \ FeCl_3}[/tex]
Flip the fraction so the grams of FeCl₃ will cancel.
[tex]345.0 \ g \ FeCl_3 *\frac{1 \ mol \ FeCl_3}{162.19 \ g \ FeCl_3}[/tex]
[tex]345.0 *\frac{1 \ mol \ FeCl_3}{162.19 }[/tex]
[tex]\frac{345.0 \ mol \ FeCl_3}{162.19 }[/tex]
Divide.
[tex]2.12713484 \ mol \ FeCl_3[/tex]
3. Round
The original measurement of grams, 345.0, has 4 significant figures. We must round our answer to 4 sig figs.
For the answer we calculated, that is the thousandth place.
The 1 in the ten thousandth place tells us to leave the 7 in the thousandth place.
[tex]\approx 2.127 \ mol \ FeCl_3[/tex]
There are about 2.127 moles of iron (III) chloride in 345.0 grams.
Which manufacturing process is shown in the photograph?
O A. Forming
B. Combining
C. Conditioning
D. Separating
Answers
Answer:
c
Explanation:
thank yall for helping with my chemistry question unless you answered the my chemistry question DO NOT ANSWER
Answers
Answer:
I think I did but if not you can report me
Explanation:
Answer:
you're welcome! :)
Explanation:
A small portion of the periodic table of the elements is reproduced here showing eight elements and the groups to which they belong.
Based on its position on the periodic table, which column of elements would be most likely to chemically combine with lithium in 2:1 ratio?
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it is 2.1 that it is his w ga hshshwu
Explain how a piece of granite becomes a piece of gneiss?
sorry if this is the wrong subject, couldn't find geology.
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I need help with life in a pond?
Answers
At least how many elements are needed to create a compound
Answers
Answer:
Two
Explanation:
Answer:
two or more than two elements.