The mass of the boat is equal to the mass of the liquid which is displaced by placing the boat in the liquid.
What is Archimedes' Principle?
Archimedes' Principle states that the buoyant force of the object is equal to the weight of the water which is displaced by the boat. If the weight of the water that is displaced by the boat is less than that of the weight of the boat, then in this case the boat sinks. Archimedes' principle or the buoyant force is very useful for the calculation of the volume of an object that does not have a regular shape.
The mass of the displaced liquid is always equal to the volume of the liquid multiplied by the density of the fluid. When a boat is placed in the water, the volume of displaced water is equal to the mass of the boat which is placed in it.
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If phosphofructokinase experienced a mutation that interfered with substrate binding, then what other enzyme is going to be most immediately impacted in terms of accessing substrate?
A. aldolase
B. fumarase
C. glucolactonase
D. hexokinase
Answer: A. aldolase
Explanation:
Phosphofructokinase, is an enzyme which is vital in the regulation of fermentation. It is involved in the glycolysis process.
When it experiences a mutation that was being interfered with the substrate binding, we should note that the enzyme that is going to be most immediately impacted in terms of accessing substrate is aldolase.
what three things might influence a slide when conditions are right?
Answer:
3
Explanation:
The three things that can affect a condition to enforce a slide is friction, weight, and slope of an area. Solutions that can make flow easily are those that can create less friction depending on the condition of an environment where it is present.
Which choice has prokaryotic cells?
human blood
onion root
cow's liver
E. coli
How many grams of iron are needed to produce 3 g of iron(III) chloride?
Answer:
5 its just what i do
Explanation:
What is the volume of which 0.25 mole of a gas occupied at 0.5 atm and 50°C ?
The volume of the gas : V = 13.243 L
Further explanationGiven
n = 0.25 mole
P = 0.5 atm
T = 50 + 273 = 323 K
Required
The volume
Solution
Ideal gas law
PV=nRT
R = gas constant = 0.082 L.atm/mol K
V = nRT/P
Input the value :
V=0.25 x 0.082 x 323 / 0.5
V = 13.243 L
What happens when uranium-238 absorbs a neutron?
A. It is converted into large amounts of energy.
.
B. It becomes plutonium-239.
O
C. It becomes plutonium-238.
D. It becomes uranium-235.
Answer:
B. It becomes plutonium-239.
Explanation:
When uranium - 238 absorbs a neutron, it creates and becomes plutonium - 239 atom.
This is a nuclear fission process in which a radioactive nucleus is bombarded with a neutron:
²³⁸₉₂U + ¹₀n → ²³⁹₉₂Pu
The plutonium produced is not stable and it immediately disintegrates further.
Answer:
B.) It becomes plutonium-239
Explanation:
I got it correct on founders edtell
PLZ HELP BEING TIMED!!!!!PLZ ANSWER!!!!
Answer:
1st one
Explanation:
In the following acid-base the reaction HCI is
A. Acid
B. Conjugate acid
C. Conjugate base
HCl(g) + H2O(l) →H30+(aq) + Cl-(aq)
The table below shows properties of two compounds at standard pressure. Which statement classifies the two compounds? 1)Both compounds are ionic, 2)Both compounds are molecular, 3) Compound 1 is ionic, and compound 2 is molecular, 4)Compound 1 is molecular, and compound is ionic
Answer:
answer of this question is option. 3. compound 1 is ionic ,and 2 is molecular
Compound 1 is ionic and compound 2 is molecular. The correct option is 3) Compound 1 is ionic, and compound 2 is molecular
From the question,
We are to classify the compounds according to the information provided in the table
First,
We will list the properties of ionic and molecular compounds
Properties of ionic compounds
The exist as solid at room temperature. They generally have high melting and boiling temperatures. They are good electrical conductors when molten or in solution.Properties of molecular compounds
They can exist as solid, liquid or gas.They generally have low melting and boiling temperatures. They are poor electrical conductors.In the given table,
Compound 1 has high melting and boiling points, and it is a good electrical conductor. Therefore, compound 1 is ionic
Compound 2 has low melting and boiling points, and it is a poor electrical conductor. Therefore, compound 2 is molecular
Hence, Compound 1 is ionic and compound 2 is molecular. The correct option is 3) Compound 1 is ionic, and compound 2 is molecular
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33 POINTS PLS ANSWER USE SCIENTIFIC NOTATION TO SOLVE
How many moles of ethane gas, C2H6(g), will occupy 15.0 L at 30 degrees Celsius and 5.0 atm?
Answer:
3 mol
Explanation:
Given data:
Volume of ethane = 15.0 L
Temperature = 30°C
Pressure = 5.0 atm
Number of moles of ethane = ?
Solution:
PV = nRT
P= Pressure
V = volume
n = number of moles
R = general gas constant = 0.0821 atm.L/ mol.K
T = temperature in kelvin
Now we will convert the temperature.
30+273 = 303 K
5.0 atm × 15.0 L = n×0.0821 atm.L/ mol.K × 303 K
75 atm.L = n× 24.87 atm.L/ mol
n = 75 atm.L / 24.87 atm.L/ mol
n = 3 mol
Watch the animation and identify the correct conditions for forming a hydrogen bond.
A. A hydrogen bond is equivalent to a covalent bond.
B. A hydrogen bond is possible with only certain hydrogen-containing compounds.
C. Hydrogen bonding occurs when a hydrogen atom is covalently bonded to an N , O, or F atom.
D. The CH4 molecule exhibits hydrogen bonding.
E. A hydrogen atom acquires a partial positive charge when it is covalently bonded to an F atom.
Answer:
options B,C and E are correct conditions for forming hydrogen bonds.
Explanation:
In order for particles to stick together or shows certain characteristics, there must be a bond of attractions that is making them to be able to stay together. Some of these attractions are strong while some are weak. The kind of attraction that is being considered in this question is the hydrogen bonding which is considered as part of the weak forces of attractions.
In order for hydrogen bonds to occur, there must be hydrogen atoms [option B is correct] and a much more electronegative elements such as oxygen, Fluorine and Nitrogen. Hence, option C is correct.
Since the Fluorine or oxygen or nitrogen have much more electronegative properties than hydrogen, it causes a partial negative charge on Fluorine or oxygen or nitrogen and a partial positive charge on the Hydrogen. Thus, option E is correct.
4.96 megameters to inches show work
Thermodynamics and Q
How much energy is needed to heat 40.5g of water from 15.6°C to 73.0°C
Answer:
9717.246 J
Explanation:
From the question given above, the following data were obtained:
Mass (m) of water = 40.5 g
Initial temperature (T₁) = 15.6 °C
Final temperature (T₂) = 73 °C
Specific heat capacity (C) of water = 4.18 J/gºC
Heat (Q) =.?
Next, we shall determine the change in the temperature of water. This can be obtained as follow:
Initial temperature (T₁) = 15.6 °C
Final temperature (T₂) = 73 °C
Change in temperature (ΔT) =?
ΔT = T₂ – T₁
ΔT = 73 – 15.6
ΔT = 57.4 °C
Finally, we shall determine the heat energy required. This can be obtained as follow:
Mass (m) of water = 40.5 g
Specific heat capacity (C) of water = 4.18 J/gºC
Change in temperature (ΔT) = 57.4 °C
Heat (Q) =.?
Q = MCΔT
Q = 40.5 × 4.18 × 57.4
Q = 9717.246 J
Thus, the heat energy required is 9717.246 J
How is drip irrigation better than canal irrigation?
Explain as well
unlike a sprinkler system that will Splash water all over the foliage of your plants a drip irrigation system will apply to water the plants where can easily be taken in by their roots
A 10.0 g sample of water was heated from 20.0°C to 50.0°C. How much energy did the water gain? The specific heat of water is 4.18 J/g·°C.
a.836 J
b.1250 J
c.2920 J
d.4180 J
Answer:
im pretty sure c
Explanation:
What is ATP? How does it provide energy
What are the coefficients that would correctly balanced reaction
Answer: As a consequence, chemical equations must be balanced, meaning that the number and kinds of atoms must be the same on both sides of the reaction arrow. The numbers placed in front of formulas to balance equations are called coefficients, and they multiply all the atoms in a formula.
What is the mass of .89 moles of lithium metal, used in laptop batteries?
The mass of lithium metal that is used in lithium batteries is 6.17 grams, this can be calculated by using number of moles formula.
Number of moles:It is defined as the ratio between mass and molar mass.
It is given by:
Number of moles = mass / Molar mass
What information do we have?
Number of moles= 0.89 moles
Molar mass of Lithium metal= 6.941 g/mol
To find:
Mass of Lithium metal=?
On substituting the values
n= m/M
0.89 = m/ 6.941
m= 0.89*6.941
m= 6.177 grams
Thus, the mass of lithium metal is 6.177 grams.
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In which phase of cellular respiration is oxygen a substrate ?
Answer:
electron transport 11 is the correct answer
How many moles are in 56.4 grams of AlF3
Answer: 0.671614483912211
Explanation: A mole is 6.02214076×1023 (also known as the Avogadro number) I hope this helps!
an atom has atomic number 17, in which group and in which period is this atom located?
Explanation:
period =3
Group=7
it is cl2
Answer:
Group 7 - Period 3
Explanation:
HELPPP PLEASE
Calculate the mass of beryllium (Be) needed to completely react with 18.9 g nitrogen gas (N2) to produce Bez N2, which is the only product of the reaction.
A. 6.19
B. 12.29
C. 18.29
D. 36.69
Answer:
Mass = 18.29 g
Explanation:
Given data:
Mass of beryllium needed = ?
Mass of nitrogen = 18.9 g
Solution:
Chemical equation:
3Be + N₂ → Be₃N₂
Number of moles of nitrogen:
Number of moles = mass/molar mass
Molar mass of nitrogen = 28 g/mol
Number of moles = 18.9 g/ 28 g/mol
Number of moles = 0.675 mol
Now we will compare the moles of nitrogen and Be.
N₂ : Be
1 : 3
0.675 : 3/1×0.675 = 2.03 mol
Mass of Be:
Mass = number of moles × molar mass
Mass = 2.03 mol × 9.01 g/mol
Mass = 18.29 g
Express 4,935,000 using standard scientific notation
Answer:
4.935×10-1
Explanation:
Take away the 0
Use your periodic table to determine which of the following is a non metal
A.Nitrogen
B. Lithium
C. Sodium
D. Gold
How far in advance is weather forecasting most accurate?
one week
one month
multiple years
multiple months
Answer:
One week.
Explanation:
I would think one month because on weather websites you can see a month of weather. But the closer the day your looking at the prediction will be more accurate.
The most accurate range of data for weather forecasting is: A. one week.
What is weather?Weather can be defined as the average atmospheric conditions of a particular area (region) over a short period of time.
The elements of weather.Some examples of the elements of weather include the following:
PrecipitationAtmospheric pressureRelative humidityWind speedTemperatureIn meteorology, the most common forecasted element of weather is temperature (degree of hotness or coldness) and it usually done a weekly basis such as one week.
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The density of aluminum is 2.70 g/cm^3. A square piece of aluminum foil, 22.86 cm on a side is found to weigh 2.568 g. What is the thickness of the foil, in millimeters?
Answer:
0.00182 cm
Explanation:
Area of the aluminum foil = 22.86 cm ×22.86 cm = 522.58 cm^2
Density = mass/area × thickness
Density × area × thickness = mass
Thickness = mass/ Density × area
Thickness = 2.568 g/2.70 g/cm^3 × 522.58 cm^2
Thickness= 0.00182 cm
ammonium phosphate is an important ingredient in many solid fertilizers. It can be made by reacting aqueous phosphoric acid with liquid ammonia. Calculate the moles of ammonium phosphate produced by the reaction of 2.4 mol of ammonia. Be sure your answer has a unit symbol, if necessary, and round it to significant digits.
Answer:
0.57 moles (NH4)3PO4 (2 sig. figs.)
Explanation:
To quote, J.R.
"Note: liquid ammonia (NH3) is actually aqueous ammonium hydroxide (NH4OH) because NH3 + H2O -> NH4OH.
H3PO4(aq) + 3NH4OH(aq) ==> (NH4)3PO4 + 3H2O
Assuming that H3PO4 is not limiting, i.e. it is present in excess
1.7 mol NH4OH x 1 mole (NH4)3PO4/3 moles NH4OH = 0.567 moles = 0.57 moles (NH4)3PO4 (2 sig. figs.)"
Science can best be described as
fluorine is more reactive than chlorine.
Answer:
yes because of fluorine has higher electronegativity