my cat just said HELL should i be concerned.
( i am dead serious not hello just HELL)
Answer:
Oh my. Just make sure that your cat isn't possessed by a demon or something. You never know if it's satan watching your back
Answer:
Explanation:
^^Shoyo hinata here!!!!!
welll that’s scary…!!! ♡(.◜ω◝.)♡
Awwwwwe I love cats when they talk! have u wached anime near your cat????? Maybe it’s possessed!!?!?!?
Please actually help me.
Thank you!
Answer: I believe -3
Explanation:
Moraines left by glaciers are different from deposits left by rivers because the rocks left behind are _____.
Explanation:
unorganized and unsorted i think this is the answer
A word equation is commonly used for describing a:
a. Property of a compound
b. Property of an element
c. Chemical reaction
the answer is B because I jus did that
Which characteristic do euglenoids and algae share?
Both are fungus-like protists.
Both can be autotrophic.
Both have whip-like tails.
Both are decomposers.
To solve this we must be knowing each and every concept related to autotroph. Therefore, eugenides and algae, both can be autotrophic. The correct option is option B.
What is autotroph?An creature that can make its own sustenance out of inorganic materials is known as an autotroph. Contrarily, heterotrophs are species that can't make their own nutrition and must eat other organisms in order to survive.
In contrast to autotrophs, heterotrophs are unable to manufacture their own nourishment. Heterotrophs need to consume organic material in order to produce the nutrients needed for life, not inorganic. Eugenides and algae, both can be autotrophic.
Therefore, Eugenides and algae, both can be autotrophic. The correct option is option B among all the given options.
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A gas occupies 1.00cm^3 at STP. What volume does it occupy at 710.0 mm Hg and 55.0°C
Answer:
Final volume is 1.29cm³
Explanation:
Using combined gas law:
P₁V₁/T₁ = P₂V₂/T₂
Where P is pressure, V volume and T absolute temperature of 1, initial state and 2, final state of a gas.
We can solve the volume of the gas:
P₁ = 1atm at STP
V₁ = 1cm³
T₁ = 273.15K at STP
P₂ = 710mmHg * (1atm / 760mmHg) = 0.9342atm
V₂ = ?
T₂ = 55.0°C + 273.15K = 328.15K
Replacing:
1atm*1cm³/273.15K = 0.9342atm*V₂/328.15K
1.29cm³ = V₂
Final volume is 1.29cm³
write the chemichal formulae of the following compounds.1) Ammonium chloride2) calcium hydroxide
If you discover a new element, how would you know where it should go on the periodic table
Answer:
the atomic number
Explanation:
it would be in the upper corner
what type of heat transfer takes place when you come in contact with a snow flake on a cold day?
Answer:
Conduction
Explanation:
Conduction is how heat transfers through direct contact with objects that are touching. Any time that two objects or substances touch, the hotter object passes heat to the cooler object.
Answer:
Conduction
Explanation:
Conduction is how heat transfers through direct contact with objects that are touching. Any time that two objects or substances touch, the hotter object passes heat to the cooler object.
How can the law of conservation of
mass for a chemical reaction be expressed?
Answer:
The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.
Explanation:
How does the concept of conservation of mass apply to chemical reactions? the reactants and products have exactly the same atoms. the reactants and products have exactly the same molecules. the change in the amount of matter is equal to the change in energy.
can someone help me with my qustions?
What is a daughter element
Answer:
The element formed when a radioactive element undergoes radioactive decay. The latter is called the parent. The daughter may or may not be radioactive.
Explanation:
hope this helps
Which term is defined as the region in an atom where an electron is most likely to be
located?
1.
nucleus
2.
orbital
3.
quanta
4.
spectra
Answer:
"2.Orbital." I think
Explanation:
Risk*
scientific notation, fill in the blank.
7.95x10^7 = [ ? ]x 10^6
Answer:
79.5
Explanation:
7.95x10^7 IS 79500000.
If you bring the decimal point left 6 more times it would be 79.500000
Tritium (H-3) is a radioactive isotope of hydrogen with a half-life of 12.3 years. How long would it take for a 40.0g sample to decay down to 1.25g
Answer:
the answer maybe is 61.5 years (please check with others) tq
Explanation:
40/2=20
20/2=10
10/2=5
5/2=2.5
2.5/2=1.25
so one half life is 12.3 years
then 12.3 ×5 =61 .5
(why 5 ? because it decay 5 times to get 1.25 from 20)
Need an answer asap plzzzzzzzzzzzzzzzzzzz!
WILL GIVE BRAINLIEST THANK YOU
Choose all the answers that apply.
Which of the following are types of changes that can happen in the rock cycle?
metamorphic to metamorphic
igneous to sedimentary
sedimentary to metamorphic
igneous to metamorphic
metamorphic to sedimentary
Answer:
igneous to metamorphic
sedimentary to metamorphic
Explain, in terms of energy changes, why methane is used as a fuel.
Read the reaction and the statement.
2X(g) + Y2(g) ⇌ 2XY(s)
The equilibrium constant for the chemical reaction is found to be 20 at 150 K.
If the concentration of X is 4.0 × 10-2 M, what is the concentration of the Y2 gas?
5.50 M
8.0 M
31.25 M
40.0 M
Answer:
[Y₂] = 31.25M
Explanation:
Based on the chemical reaction:
2X(g) + Y2(g) ⇌ 2XY(s)
We must define the equilibrium constant, K as:
K = 20 = 1 / [X]²[Y₂]
Where [X] and [Y₂] are the equilibrium concentrations of each gas.
If [X] = 4.0x10⁻²M:
20 = 1 / [4.0x10⁻²M]²[Y₂]
0.032 = 1 / [Y₂]
[Y₂] = 31.25Mhow many atoms are in 1.50 moles of He?
Under certain conditions, what is a chlorine atom able to do to a sodium atom?
Answer:
it produces a bright yellow light and a great deal of heat energy.
Explanation:
3. When substances cross cell membranes by simple diffusion, they
a. squeeze between phospholipid molecules.
b. have help from channel proteins.
C. move from a higher to lower concentration.
d. two of the above
Answer:B
Explanation:due to osmosis and osmoregulation of the cell membrane
Which of the following is a physical change?
a. burning gasoline
b. cooking an egg
c. decomposing meat
d. evaporating water
I'm very confused please help
Answer:
the food chain you mean
Explanation:
pollution than mosquitoes then alligators
What is the percent composition of Phosphorus in Li3PO3
Answer:
you will get 17.983 g of lithium for every 100 g of lithium phosphate.
Explanation:
69.7% is the percent by mass of Lithium in Li[tex]_3[/tex]PO[tex]_3[/tex]. A percent is obtained by multiplying the result by 100.
One approach to show the concentration for an element within a compound or component in a combination is as a mass percentage. The mass percentage is computed by dividing the total weight of the combination by the mass of each component and multiplying the result by 100%. The mass percent is calculated by dividing the mass that contains the compound and solute by the mass for the element or solute.
99.795g/mol = molar mass of Li[tex]_3[/tex]PO[tex]_3[/tex]
6.94g/mol = molar mass of Li
mass percentage of Li=(molar mass of Li/molar mass of Li[tex]_3[/tex]PO[tex]_3[/tex])× 100
=(6.94/99.7)× 100
=69.7%
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2. If temperature
increases/decreases, then air pressure will
increase/decrease.
Answer:
true
Explanation:
the mass of the temperature changes as well so it'll decrease and increase
How many grams of Aluminum Oxide are produced when 3.64 g of Aluminum reacts with an excess of Oxygen?
4Al + 3O2 → 2Al2O3
_ grams of Al2O3 (round to 3 sig figs)
Answer:
6.877649 or 6.88 grams of Aluminum OxideExplanation:
- If there are 4 moles of Al that equals 107.926156 grams of 4Al.
- If there is 2 moles of Al2O3 that equals 203.9226 grams.
So...
If 107.926156 grams of 4Al equals 203.9226 grams of 2Al2O3 then, 3.64g of Al equals x.
When 6.8776g of aluminium reacts with an excess of oxygen, 6.8776g of aluminium oxide are produced.
What is aluminium?Aluminium is a silvery-white metal with atomic number 13 in the periodic table.
What is aluminium oxide?Aluminium oxide is a chemical compound of aluminium and oxygen with the chemical formula Al₂O₃. It is the most commonly occurring of several aluminium oxides, and specifically identified as aluminium(III) oxide.
The synthesis of Aluminium oxide can be done by heating aluminium in the presence of oxygen. In this reaction, 4 moles of aluminium react with 3 moles of oxygen leading to the formation of 2 moles of aluminium oxide.
4Al + 3O2 → 2Al2O3
If there are 4 moles of Al that equals 107.926156 grams of 4Al
If there are 2 moles of Al2O3 that equals 203.9226g
If 107.9261 grams of 4Al equals 203.9226 grams of 2Al2O3 then, 3.64g of Al equals x
107.9261 / 3.64 = 203.9226 / x
(107.9261) x = (203.9226) 3.64
107.9261 x = 742.2782
dividing both LHS and RHS by 107.9261,
107.9261/107.9261x = 742.2782/107.9261
x = 6.8776g
Hence, 6.8776g of aluminium oxide are produced.
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HELPPP ASAP PLEASE .
Answer:
ok .
Explanation:
.
1. __N2 + __H2-> __NH3
2. __Fe + __HCl-> __H2 + __FeCl3
Answer:
N2+ 3H2－> 2NH3
2Fe + 6HCl －> 3H2 + 2FeCl3
Describe the subatomic particles found in an atom, and
describe each one. Also, describe how they relate to each
other.
pls helpp <3
Can somebody plz help answer this question correctly thank you! ONLY 1-2 sentences is good thanks!
WILL MARK BRAINLIEST WHOEVER ANSWERS THIS QUESTION :DDD
to generate energy means to create energy. chemical energy is the energy that is created when you put effort into doing something..
