Answer:
Two or more elements or compounds combine to form one product.
Explanation:
Yes, two elements can be utilized as reactants for synthesis reactions.
Both components of something like the equations should have a similar number of particles. A synthesis reaction could sometimes produce upwards of two products, could also yield binary chemicals.Such reactions are also among the primary kinds of chemical processes, along with single/double displacement, as well as combustion processes.
Thus the above response is correct.
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A golf cart weighing 272 kilograms broke down on the cart path. A tow truck driver decided to use a force of 1000 newtons to tow the golf cart. According to Newton's law of force and acceleration, what will the acceleration of the golf cart on a frictionless surface be, in meters per second squared, to the nearest hundredth?
Answer:
Copper and its compounds have many important uses in modern society. Most electrical equipment has copper wiring. Copper is also used to make many alloys. An alloy is made by melting and mixing two or more metals. The mixture has properties different from those of the individual metals
Explanation:
Which one has the highest Hydrogen Bonding:
1. HF
2. HCL
3. H2O
4. NH3
Answer:
the answer is the
first one
How intermolecular forces are broken during evaporation?
Answer: If the intermolecular forces are weak, then molecules can break out of the solid or liquid more easily into the gas phase. Consider two different liquids, one polar one not, contained in two separate boxes. We would expect the molecules to more easily break away from the bulk for the non-polar case. If the molecules are held tightly together by strong intermolecular forces, few of the molecules will have enough kinetic energy to separate from each other. They will stay in the liquid phase, and the rate of evaporation will be low. ... They will escape from the liquid phase, and the rate of evaporation will be high. To make water evaporate, energy has to be added. The water molecules in the water absorb that energy individually. Due to this absorption of energy the hydrogen bonds connecting water molecules to one another will break.
Hope this helps..... Stay safe and have a Merry Christmas!!!!!!!! :D
In which list are the elements arranged in order of increasing atomic mass?
a) Cl, K, Ar
b) Fe, Co, Ni
c) Te, I, Xe
d) Ne, F, Na
Answer:
aswer is A
Explanation:
because the CL,K,AR is correct since it is order right
What is definition "scientific question"?
Answer:
A scientific question is basically a question that can lead to a hypothesis to help us figure out the observation in science. I hope this helps you
So i need answers. Take your time its alright im not going to push it out. Thanks!
If force = mass x acceleration, then what is the force of an object with a mass of 30 kg and an acceleration of 2.2 m/s2?
Answer:
66 NExplanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
force = mass × acceleration
From the question we have
force = 30 × 2.2
We have the final answer as
66 NHope this helps you
10. A doctor can obtain images of organs and bones by
injecting a patient with a solution of Tc-99m. The
half-life of the metastable Tc-99m is six hours.
Determine the fraction of an original sample of
metastable Tc-99m that remains unchanged after 24
hours
Answer:
6.25% remains after 24 hours
Explanation:
Isotope decay of an atom follows the equation:
Ln[A] = -kt + Ln[A]₀
Where [A] is amount of isotope after time t,
k is rate constant = ln 2 / Half-life = 0.11552hours⁻¹
[A]₀ is initial amount of A = 100%
Replacing:
Ln[A] = -0.1152hours⁻¹*24hours + Ln[100%]
Ln[A] = 1.8326
[A] = 6.25% remains after 24 hours
what is the energy that travels from sun in the form of waves
Answer:
longwaves or solar radiation
Answer:
Solar Radiation
Explanation:
There could actually be different ways to say this anwser. This was just how I leaned It In school! :)
Sulfur dioxide (SO2) is an unwelcome result
of burning soft coal in power plants. Some
of the SO2 ends up as sulfuric acid in acid
precipitation. The net reaction is
2 SO2(g) + O2(g) + 2 H2O(l) + 2 H2SO4(C)
What mass in grams of SO2 is needed to
react with 1563 g of O2?
Answer in units of g.
Answer: 5782
Explanation:
5782
On a hot summer day the temperature is 35°C, barometric pressure is 103 kPa, and the relative humidity is 90%. An air conditioner draws in outside air, cools it to 20°C, and delivers it at a rate of 12,500 L/h. Calculate the rate of moisture condensation (kg/h) and the volumetric flow rate of the air drawn from the outside.
Answer:
The rate of moisture condensation (kg/h) = 0.022652 mol H2O / mol.
The volumetric flow rate of the air drawn from the outside = 13506.88 L/h.
Explanation:
Without mincing words, let us dive straight into the solution to this problem.
STEP ONE: The first thing to calculate for or determine is the Mol fraction of H2O inlet and Mol fraction of H2O outlet.
Therefore, the Mol fraction of H2O inlet = (0.90 x 42.2 mmHg/103000 Pa) x (101325 Pa/760mmHg)= 0.0492 mol H2O / mol.
Also, the Mol fraction of H2O outlet = (17.5 mmHg/103000 Pa) x (101325 Pa/760mmHg) = 0.022652 mol H2O / mol.
STEP TWO: Determine the Molar flow rate of inlet air, Molar flow rate of outlet air and the dry air balance.
The Molar flow rate of outlet air = (12,500 L/h) x (1mol/22.4L) x (273K/293K) x (103000 Pa / 101325 Pa) = 528.54 mol/h
Hence, the Molar flow rate of outlet air = 528.54 mol/h.
The Molar flow rate of inlet air = (1 - 0.022652 mol H2O / mol. ) x 528.54 mol/h ÷ (1 - 0.0492 mol H2O / mol) = 543.3 mol/h.
Hence, the volumetric flow rate of the air drawn from the outside = ( 543.3 mol/h.) x (22.4L/mol) x (308K/273K) x (101325 Pa/103000 Pa) = 13506.88 L/h.
STEP THREE; Determine the molar flow of water.
Thus, the molar flow of water = 543.3 mol/h - 528.54 mol/h = 14.76 mol/h.
STEP FOUR: Determine the rate of moisture condensation (kg/h).
The rate of moisture condensation (kg/h) = 14.76 mol/h × (18g/mol) x (1kg/1000g) = 0.266 kg/h.
What is the relationship between thermal energy, kinetic energy and the transition between the three states of matter
Kinetic energy is turned into thermal energy and thermal energy is responsible for the heat or lack thereof that transitions elements from different states.
A pressure of 125,400 Pa is equal to
kPa.
Answer:
it is equal to 125 kPa
Explanation:
move the decimal 3 to the left
Which of the following solid substances contains positive ions immersed in a sea of
mobile electrons?______
a) O2 b) Cu c) CuO d) SiO2
That will be letter B which is Cu
Answer:
Cu
Explanation:
In metallic bonds,the valence electrons from the s and p
orbitals of the interacting metal atoms delocalise i.e,
instead of orbiting their respective metal atoms, they
form a sea of electrons that surrounds the positively charged atomic nuclei of the interacting metal ions.
A gas occupies 3.00 L at 1.50 atm and 25.0 °C.
If the pressure is increased to 2.50 atm, and
the temperature is increased to 35.0°C, what
will be the final volume?
Answer:
V₂ = 1.86 L
Explanation:
Given data:
Initial temperature = 25.0°C (25+273 = 298 k)
Initial volume = 3.00 L
Initial pressure = 1.50 atm
Final pressure = 2.50 atm
Final temperature = 35.0°C (35+273 = 308K)
Final volume = ?
Solution:
P₁V₁/T₁ = P₂V₂/T₂
P₁ = Initial pressure
V₁ = Initial volume
T₁ = Initial temperature
P₂ = Final pressure
V₂ = Final volume
T₂ = Final temperature
By putting values,
V₂ = P₁V₁ T₂/ T₁ P₂
V₂ = 1.50 atm × 3.00 L × 308 K / 298 K × 2.50 atm
V₂ = 1386 atm .L. K / 745 K.atm
V₂ = 1.86 L
common things of all metals
Answer: Well most if not all metals rust due to oxidation. Most can be melted at certain temperatures or just heated to a certain degree to be maluable
Explanation:
Please help thank you!!!!
(I’ll mark brain list and give 23 points)
Answer:
Question A, B, and D are all correct.
Atoms of which of the following elements have the smallest atomic radius?
Answer:
The answer is helium, I hope this is helpful :)
Plz help correct answer will get brainliest.
Answer:
D... i think lemme know if im wrong
Answer:my answer is never wrong
The edge
Explanation:
Fill in the blank
Potential energy is energy an object has due to its ____
or condition
Answer :position
Explanation:
Potential energy is the energy stored in an object due to its position
Which equation represents the combined gas law?
P1V1=P2V2
V1/T1= V2/T2
P1V1/T1= P2V2/T2
P1 V1 T1 = P2 V2 T2
Answer:
P1V1/T1= P2V2/T2
Explanation:
Combined gas law involves Boyle's law and Charles law altogether with the formula of Boyle's law as P1V1=P2V2
formula for charles law as V1/T1=V2/T2
so when combined form P1V1/T1=P2V2/T2
P₁×V₁/T₁=P₂×V₂/T₂ equation represents the combined gas law. Therefore, the correct option is option A.
What is combined gas law?
This combined gas law incorporates the major gas laws: Boyle's Principle, Charles' Law, but also Gay-Law. Lussac's It claims that a constant exists between the ratio of a gas's absolute temperature to the product of its pressure and volume.
This combined gas law has no recognized discoverer, unlike with the named gas laws. When all other variables are held constant, save for temperature, pressure, and volume, it is essentially a combination of all of the other gas laws that holds true. P₁×V₁/T₁=P₂×V₂/T₂ equation represents the combined gas law.
Therefore, the correct option is option A.
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2 A 3-meter-long ramp was used to lift gold into railroads for transfers. The railroads were 1 meter off the ground. What was the ideal mechanical advantage of the ramp?
Answer:
3
Explanation:
For an ideal ramp, M.A/V.R = 1 where M.A = mechanical advantage and V.R = velocity ratio.
Now, V.R = distance moved by effort, d'/distance moved by load, d = d'/d
Now, d' = 3 m and d = 1 m.
So, V.R = d'/d = 3 m/1 m = 3
From M.A/V.R = 1
M.A = V.R = 3
So, the ideal mechanical advantage of the ramp M.A = 3
how is solar energy captured?
where is solar energy found?
Explanation:
how is solar energy captured?= Solar panels convert solar energy into usable electricity through a process known as the photovoltaic.where is solar energy found?= Rank Country Capacity (MW)1China175,0192Japan55,5003United States49,6924Germany45,930If 489 mL of carbon dioxide has a pressure of 2.75 atm. If the gas is compressed to 254 mL, what is the
new pressure?
A) 1.43 atm
B) 3.45 atm
C) 5.29 atm
D) 6.21 atm
Answer:
5.29 atmExplanation:
The new pressure can be found by using the formula for Boyle's law which is
[tex]P_1V_1 = P_2V_2[/tex]
Since we are finding the new pressure
[tex]P_2 = \frac{P_1V_1}{V_2} \\[/tex]
From the question we have
[tex]P_2 = \frac{489 \times 2.75}{254} = \frac{1344.75}{254} \\ = 5.294291...[/tex]
We have the final answer as
5.29 atmHope this helps you
if anyone has chemistry on edge and has the analyzing chemical reactions project can i please have your insta? i really need it. i’ll mark brainliest.
Explanation:
id -9384026088
password-1234
The net force on an object that is accelerating at a rate of 4 m/sec is 255 N. What is the mass of the object in kg?
Answer:
Given - acc = 4 m/ s^2
Force = 255 N
To find = mass
Solution -
Using the formula,
[tex]f = m \times a[/tex]
255 = Mass × 4
255 /4 = Mass
63.75 = Mass
1 N = kg m/s^2
63.75 kg = Mass
If a bag of cement of mass 50 kg is acted upon by a force which produces acceleration 20m/ s calculate the force if you don't know don't answer
Answer:
F=1000kg/m/s²
Explanation:
F=ma
F=50×20
F=1000
When the two alleles an organism has are the same it is called heterozygous
True
or
False
Answer:
false!
explanation:
Homogeneous are when they are similar! (example; female chromosomes XX) heterozygous are opposites!(example;male chromosomes XY)
34. The line shows the path of the ball.
As the ball moves from Point 3 to Point 4, which energy conversion is taking place?
A thermal to static
B static to thermal
C potential to kinetic
D kinetic to potential
WILL GIVE BRAINLIEST IF YOU ANSWER CORRECTLY
Answer:
C potential to kinetic
Explanation:
If you pluck a guitar string hard the sound waves it gives off will have __________ amplitudes.
Answer:large
Explanation: I got it right on the quiz
Answer: Large
Explanation: If you plucked a guitar string lightly, the string would vibrate and give off sound waves with small amplitudes. The resulting sound would be soft, with a low decibel level. If you then plucked the guitar string as hard as you could, the string would vibrate strongly and give off sound waves with large amplitudes. The resulting sound would be loud, with a higher decibel level.
