Answers
Answer: f=ma
Explanation:
Related Questions
Most of Earth's atmosphere is made up of nitrogen gas. Nitrogen can also
exist as a solid, liquid, or plasma. Four samples of nitrogen are each in a
different state but have the same mass. Which statement about the relative
amounts of thermal energy in the samples is true?
Answers
Answer:
it should be B (i did this wrk before)
Explanation:
Which of these choices is the best definition of absolute dating?
A. determining the age of a rock layer by studying the fossils present
B. finding the age of an object compared to other objects
C. measuring the age of an object in years using any method
D. determining the amount of a radioactive isotope in an object
Answers
Answer:
I think it's A because the sedimentary rock is also involved in finding the fossils to determine their phenotype and their roots.
How many grams of MgBr2 are needed to create 3.0L of a 4.5M aqueous solution of magnesium bromide?
Answers
Answer:
2486 g
Explanation:
First we calculate how many moles of MgBr₂ are required to create such a solution, using the definition of molarity and the given volume and concentration:
Molarity = moles / liters4.5 M = moles / 3.0 Lmoles = 4.5 M * 3.0 L = 13.5 molNow we convert 13.5 moles of MgBr₂ into grams, using its molar mass:
13.5 mol * 184.113 g/mol = 2486 gPLEASE HELP ME. REAL ANSWERS ONLY PLZ
Answers
Answer:
Please make it full I'm not seeing it
Which of the following is a unit of volume?
A.
milliliter
B.
pound
C.
gram
D.
centimeter
Answers
Answer:
a. milliliter.
Explanation:
I hope this helps
Answer:
milliliter
Explanation:
think liter
Please help ASAP!! I’m stuck!!
Which statement is true based on the formula?
6CO2 + 6H2O —> C6H12O6
+ 6O2
1. The mass of carbon dioxide plus water is equal to the mass of sugar plus oxygen
2. The mass of carbon dioxide plus water is less than the mass of sugar plus oxygen
3. The mass of carbon dioxide plus water is greater than the mass of sugar plus oxygen
Answers
Answer:
The answer of this question is 3
The question is~ Which is not a biomass energy source?
Answers
Answer:
I think its sun but I'm not sure
How is my drawing. Rate it on a scale of 1-10
Answers
Answer:
I rate it 10/10
Explanation:
I like it. :)
Answer:
I think 8.5 it looks cool
Plz answer will give BRAINLIEST! Promise! Question is in picture! Due in 5 minutes!!
Answers
Answer:
try A
Explanation:
When NH4SCN is added to a solution of Fe3+ ions, the solution changes from yellow to orange. What is the best explanation for this color change?
Answers
Answer:
The iron present in the solution is reduced because of the presence of SCN⁻ ions in solution
Explanation:
The clue in this problem is the color of the solution:
A solution of Fe³⁻ is yellow but when the Fe³⁺ is reduced by an oxidant to Fe²⁺ the solution change to orange color.
The SCN⁻ ion is a reducing agent than, in presence of a substance that can be reducted as Fe³⁺ ion will promote the reaction. That means the best explanation is:
The iron present in the solution is reduced because of the presence of SCN⁻ ions in solutionAlesha, Kayden,Leo and Caroline are lab partners. They completed the lab in which they put a small marshmallow in a closed, see-through container. They then pushed a plunger down to decrease the volume of the container. They observed the marshmallow looking squished and crumpled. For their lab write up, they must identify the relationship between volume, temperature and pressure of a gas to explain what they saw during this experiment. Determine which student is correct from the statements below.
A.
Alesha says the lab showed that when volume is decreased, pressure is increased. The increase in the pressure in the container is what made the marshmallow look squished and crumpled.
B.
Caroline says the lab showed that when volume is increased, pressure is increased. The increase in the pressure in the container is what made the marshmallow look squished and crumpled.
C.
Kayden says lab showed that when volume is decreased, temperature is increased. The increase in the temperature in the container is what made the marshmallow look squished and crumpled.
D.
Leo says the lab showed they increased the temperature of the container by breathing on it and decreased the volume by pushing down the plunger. Both of increasing the temperature and decreasing the volume caused the pressure to decrease and make the marshmallow look squished and crumpled.
Answers
The answer is D! I did the question too for my class lol and i got it right :)
Leo says a live shot increase the temperature of the container by breathing on it and decrease the volume by pushing down the planter both of increase in temperature and decreasing the volume cause depression to decrease and make the marshmallow look squished in crumpled
Helpppppppppppppppppppppppp
Answers
Answer:
C
Explanation:
all of the fish, bacteria, and mammals that live in a lake
hope this helps!
How is stoichiometry used to calculate the amount of product produced?
A. Stoichiometry measures the amount of product obtained.
B. Stoichiometry determines the molar mass of the product.
C. Stoichiometry calculates the grams of the limiting reagent.
D. Stoichiometry relates moles of product.
Answers
Answer:
Stoichiometry relates moles of reactant to moles of product
Explanation:
Just took the quiz :)
Answer:
Stoichiometry relates moles of reactant to moles of product.
Explanation: :)
1
What is the mass of 0.328 mol of CO2?
Answers
Answer:
use this conversation units to help you hope it helpsdentify the base in this acid-base reaction:
Upper N a upper O upper H plus upper H upper C l right arrow upper N a upper C l plus upper H subscript 2 upper O.
NaOH
HCl
NaCl
H2O
Answers
Answer:
NaOH
Explanation:
Sodium hydroxide is the base in the acid-base reaction as all other acids and sodium chloride is salt and water is neutral.
What is a base?According to the Arrhenius concept, base is defined as a substance which yields hydroxyl ions on dissociation.These ions react with the hydrogen ions of acids to produce salt in an acid-base reaction.
Bases have a pH higher than seven as they yield hydroxyl ions on dissociation.They are soapy in touch and have a bitter taste.According to the Lowry-Bronsted concept, base is defined as a substance which accepts protons .Base react violently with acids to produce salts .Aqueous solutions of bases can be used to conduct electricity .They can also be used as indicators in acid-base titrations.
They are used in the manufacture of soaps,paper, bleaching powder.Calcium hydroxide ,a base is used to clean sulfur dioxide gas while magnesium hydroxide can be used as an antacid to cure acidity.
Learn more about base,here:
https://brainly.com/question/12445440
#SPJ3
According to the graph, what value most affects the solubility of a solute in 100 g of water?
a. temperature
b. molarity
c. pressure
d. volume
Answers
Answer:
My best guess would be pressure
Explanation:
I say pressure because it just makes more sense
Suppose you have 6 miles of ethanol(C2H6O)to combust.How many moles of oxygen will the combustion use?
Answers
Answer: 18 moles of oxygen will be used.
Explanation:
Combustion is a chemical reaction in which a hydrocarbon is oxidized in the presence of oxygen to give carbon dioxide and water.
The balanced chemical reaction for combustion of ethanol is:
[tex]C_2H_6O+3O_2\rightarrow 2CO_2+3H_2O[/tex]
According to stoichiometry :
1 mole of ethanol require = 3 moles of [tex]O_2[/tex]
Thus 6 moles of ethanol will require=[tex]\frac{3}{1}\times 6=18moles[/tex] of [tex]O_2[/tex]
Thus 18 moles of oxygen will be used.
A gas has a volume of 240.0mL at 25.0 oC and 0.79 atm. Calculate its volume at STP (1 atm and 0 oC).
Answers
Answer:
189.6 mL
Explanation:
As per Boyles law when a gas is kept at a constant temperature and mass in a closed container, the volume and pressure vary inversely.
P1V1= P2V2
Here, P1 = 0.79 atm, V1 = 240 ml, P2= 1 atm
therefore, substituting values in above equation we get
0.79×240 = 1×V2
⇒V2 = 189.6 ml
therefore, its volume at STP (1 atm and 0 oC) = 189.6 ml
List as many things as you can see in the picture below
Abiotic (Non-Living)___________Biotic (Living)
__________________ ................ ___________________ __________________ ................ ___________________
___________________ ___________________
Answers
rocks animals
water plants
air fungi
sunlight bacteria
minerals
soil
After years of hard work you finally come up with a new chemical substance that
will revolutionize the world. What are it's properties? What do you call it? *
Answers
Zit be gone. a chemical that contains many natural healing plants that very quickly gets rid of zits. :) -weak answer but it's an answer I guess
I need help asap its due today!!!!!
Use the dichotomous key to answer the question. Of the following characteristics, which was used to classify insects?
A. presence of a head
B. shape of wings
C. number of wings
D. shape of abdomen
Answers
Answer:
B. shape of wings
Explanation:
Insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. Insects have segmented bodies, jointed legs, and external skeletons (exoskeletons).
Higher classification: Hexapoda
Solar energy converts ___ into either ___ energy or electrical energy.
electromagnetic, thermal
electromagnetic, potential
thermal, nuclear
chemical, thermal
Answers
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! :)
What is the formula for Iron(IV) phosphite
Answers
Answer:
The answer is Iron phosphide (Fe2P)
2) Liquid soap is dissolve in water to make a soap solution. Why is this
solution called a mixture?
Answers
Explanation:
Soap solution is called a mixture because you're combining a ratio of liquid soap and water to make a mixture.
would the pressure exerted by the gas in the tank would increase if the scuba tank were to increase in temperature?
Answers
Answer:
In fact, a full scuba tank will gain about 5-6 psi for every degree of temperature increase. This is one reason that full tanks should not be left in a hot trunk of a car. A tank filled to 3000 psi could easily reach 3500 psi if the temperature of it increased substantially.
The distance between the Grand Canyon and Mt. Rushmore is approximately 1.147 km. What is this in meters?
Answers
Answer:
1147
Explanation:
you multiply the length by 1000
PLEASE I NEED YOUR HELP, I WILL GIVE 10 POINTS PLEASEEEEE
People claim these rock formations in the Sahara Desert look like a mushroom and a chicken. They were not sculpted by humans. What do you think caused them to be shaped this way?
Answers
Answer:
Erosion
Explanation:
i need help!! i need to make it like 3:2
Answers
Answer:
use visual studio code and put in this print{3:2}-1
Explanation:
Is temperature and pressure directly proportional or inversely proportional?
A. Inversely proportional
B. Directly proportional
Answers
How do atmospheric updrafts affect clouds?
Answers
Answer:
Updrafts characterize a storm's early development, during which warm air rises to the level where condensation begins and precipitation starts to develop. In a mature storm, updrafts are present alongside downdrafts caused by cooling and by falling precipitation.
Hope it helps
Have a great Day : P