Answer:
The answer to your question is B
Will mark the brainliest answer!!
If you cross a purebred pea plant with green seeds and a purebred pea plant with yellow seeds, what percent of their offspring will have green seeds?
A. 100 percent
B. 75 percent
C. 25 percent
D. 0 percent
Answer:
100%
Explanation:
assuming green is the dominant trait, 100% will have green seeds, but none will be purebred
- How much power does it take to lift a
1,000 N load 10 m in 20 s?
Answer:
"500 Joule/sec" is the right answer.
Explanation:
The given values are:
Force,
F = 1000 N
Velocity,
s = 10 m
Time,
t = 20 s
Now,
The power will be:
= [tex]\frac{Force\times Velocity}{Time}[/tex]
On putting the values, we get
= [tex]\frac{1000\times 10}{20}[/tex]
= [tex]\frac{10000}{20}[/tex]
= [tex]500 \ Joule/sec[/tex]
Using the example of an ambulance, explain the Doppler Effect. Infer why the doppler effect can or cannot occur in all waves. PLEASE ANSWER ILL PICK BRAINLEIST TO THE FIRST ACTUAL ANSWER
Answer:
When the ambulance is coming towardss you the waves are smushed together and sound higher pitched but then it passes you and when tracveling away the waves are scretched out so the whee whoo sounds lower and that is because of the doppler effect
Who was the leader of Iraq? *
Osama Bin Laden
Mikael Gorbachev
Şaddam Hussein
Answer: I believe it was Şaddam Hussein
Explanation:
Un vehículo inicia su recorrido desde el reposo, al cabo de 30 segundos tiene una velocidad de 120 m/s. ¿Cuál es la aceleración que trae dicho vehículo?
Explanation:
KTLDÖDUÖOQO5SKDXBBCMCNXYLZD
What is a neutralization reaction?
The reaction between strong acid and base which results in the formation of salt and water. This reaction is called Neutralization reaction.
Ex:- HCl + NaOH → NaCl + H2O.
I have four neutrons and I'm metallic. Who am
I?
According to the electronic configuration, beryllium has four neutrons and is metallic in nature.
What is electronic configuration?Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.
Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.
Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.
Learn more about electronic configuration,here:
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where do ore deposits commonly form
Answer: :)
Ore is commonly found and formed in rocks under the ocean floor and beneath the ground.
Explanation:
:/
Which of the following is a unit used for
measuring mass?
Answer:
Gram kilogram and tonne is the answer
According to the collision theory, when can a chemical reaction occur?
When enough activation energy is added to correct the orientation of the particle collisions
When reactants collide with enough energy to intersect their valence shells and form new bonds
When reactants collide with enough mass to form new bonds and break apart the reactants
When the proper catalyst is added to break the chemical bonds in the reactants.
According to the collision theory, a chemical reaction occur when enough activation energy is added to correct the orientation of the particle collisions.
What is collision theory?Collision theory is a hypothesis theory, according to which for the formation of product or for the completion of reaction, reactants molecules should collide with each other with proper orientation.
So, for the collision between the reactant molecules some minimum amount of energy is required which is known as activation energy, to covert into the products.
Hence, option (1) is correct i.e. when enough activation energy is added to correct the orientation of the particle collisions.
To know more about collision theory, visit the below link:
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2.15 mol of hydrogen sulfide, H2S
77.33 grams of aluminum is heated from 155°C to 175°C. The specific heat of aluminum is 0.921
J/g °C. How much energy is required? Round to the nearest whole number.
Answer:
1424
Explanation:
Q=mco
Qis energy
M is mass
C is specific energy
O is temperature change
Substitute all the information you have in the equation then you will get the answer
Helpppp ASAP DON’T GUESS
Which of the following best describe an atomic number? An element identity is defined by its atomic number this means it represents the number of
A) electrons in the element
B) protons plus neutrons in its nucleus
C)neutrons in its nucleus
D)protons in its nucleus
Answer:
d) protons in its nucleus
Explanation:
-
Determine the pH of the solution with a [H+]=5.00 x 10^-12.
Answer:
pH = 11.3
Explanation:
Given that,
The concentration of [H⁺] is [tex]5\times 10^{-12}[/tex]
We need to find the pH of the solution. We know that,
[tex]pH=-log[H^+][/tex]
Put all the values,
[tex]pH=-log[5\times 10^{-12}]\\\\pH=11.3[/tex]
So, the pH of the solution is equal to 11.3.
The graph shows the speed of a car
traveling east over a 12 second
period. Based on the information in
the graph, it can be concluded that
in the first 6 seconds, the car is -
A changing its direction.
B experiencing less and less
friction.
moving at a constant speed
D climbing a steep incline.
Answer:
Letter B.
Explanation:
Changing its direction and climbing a steep incline can't be proven only by the graph info. You can see that it's speed isn't constant in the graph.
We have letter B left.
Is Elisa getting the right amount of sleep??
Answer: Yes, because it’s between 8 and 10.
Explanation:
3. If a gas has a pressure of 32.1 psi at a temperature of 25°C, then what is the new pressure if the temperature is increased to 75°C?
Answer:
P2 = 37.5 psi
Explanation:
P1 = 32.1 psi
T1 = 25°C + 273 = 298K
T2 = 75°C + 273 = 348K
P2 = ?
P1/T1 = P2/T2
or
P2 = (T2/T1)P1
= (348K/298K)(32.1 psi)
= 37.5 psi
Select the correct structure that
corresponds to the name.
2-hexyne
A. CH3CH2CH2C=CCH3
B. CH3C = CCH2CH2CH3
C. both
Answer:
c) both
Explanation:
hey, could you check the question once because I suppose it's 2-hexyne when there's a triple bond and 2-hexene when there's a double bond between Carbon atoms. As of the question asked, it's c) both but it's 2-hexene due to presence of double bond between Carbon atoms.
do tell me as well. have a good day :-))
Answer:
(C) Both
Explanation:
Due to my calculations, I have come up with conclusion that this is indeed the correct answer for the problem.
what is the use of connective tissue
Answer:
Major functions of connective tissue include: 1) binding and supporting, 2) protecting, 3) insulating, 4) storing reserve fuel, and 5) transporting substances within the body. Connective tissues can have various levels of vascularity.
Explanation:
What volume in Liters is needed to make a .99M solution with 5.3 moles of CuCl2?
Answer:
[tex]\boxed {\boxed {\sf 5.35 \ L}}[/tex]
Explanation:
Molarity is a measure of concentration in moles per liter.
[tex]molarity= \frac{moles \ of \ solute}{liters \ of \ solution}}[/tex]
We know the molarity of the solution is 0.99 M and there are 5.3 moles of the solute, CuCl₂.
1 molar (M) is equal to 1 mole per liter. 0.99 M is equal to 0.99 moles of CuCl₂ per liter.So,
molarity= 0.99 mol CuCl₂/L moles of solute = 5.3 mol CuCl₂liters of solution = x (unknown)Substitute these values into the formula.
[tex]0.99 \ mol \ CuCl_2 / L =\frac{5.3 \ mol \ CuCl_2}{x}[/tex]
Now, solve for x by isolating the variable. First, cross multiply.
[tex]\frac {0.99 \ mol \ CuCl_2}{1}=\frac {5.3 \ mol \ CuCl_2}{x}[/tex]
[tex]0.99 \ mol \ CuCl_2 /L *x= 5.3 \ mol \ CuCl_2*1[/tex]
[tex]0.99 \ mol \ CuCl_2 /L *x= 5.3 \ mol \ CuCl_2[/tex]
x is being multiplied by 0.99 mol CuCl₂/L. The inverse of multiplication is division. Divide both sides of the equation by 0.99 mol CuCl₂/L .
[tex]\frac {0.99 \ mol\ CuCl_2 / L*x}{ 0.99 \ mol\ CuCl_2 \ L }=\frac {5.3 \ mol \ CuCl_2}{0.99 \ mol\ CuCl_2 \ L }[/tex]
[tex]x=\frac {5.3 \ mol \ CuCl_2}{0.99 \ mol\ CuCl_2 \ L }[/tex]
[tex]x=5.35353535354 \ L[/tex]
Let's round to the hundredth place. The 3 in the thousandth place tells us to leave the 5 in the hundredth place.
[tex]x \approx 5.35 \ L[/tex]
Approximately 5.35 liters are needed to make a 0.99 M solution with 5.3 moles of solute.
why would an electric vehicle be allowed to travel in the high occupancy vehicles lands with only one driver ?
Answer:
because it could self drive
Explanation:
idrk but thats my answer
Which processes involve nuclear changes?
A. fission and fusion
B. erosion and weathering
C. combustion and oxidation
D. evaporation and condensation
Answer:
Nuclear processes, including fusion, fission, and radioactive decays of unstable nuclei, involve changes in nuclear binding energies.
Explanation:
mark me brainliest please
How will an ecysosyem's population be impacted if humans clear out all of the trees?
NO LINKS YOU WILL GET REPORTED!!!
WORD ANSWERS ONLY
Answer:
Without trees formerly forested areas would become drier and more prone to extreme droughts. When and if rain did come flooding would be disastrous and massive erosion would impact oceans smothering coral reefs and other marine habitats
Explanation:
hope this helped (:
Which phrase describes an ecosystem?
a single tree monkey
a group of tree monkeys and a cluster of trees
a group of tree monkeys, a cluster of trees, a pile of rocks, and a fierce wind
a group of tree monkeys
Answer:
C. A group of tree monkeys, a cluster of trees, a pile of rocks, and a fierce wind.
Water circulates through Earth's water cycle by changing state state its acidity its acidity its turbidity
Complete question is;
Water circulates through Earth's water cycle by changing its _____.
A. state
B. acidity
C. turbidity
D. composition
Answer:
A: State
Explanation:
We can talk about this by observations about the states of water in the Earth's water cycle and even nature.
For example, water changing from liquid to steam(gas) in evaporation; under certain temperatures/conditions snow undergoes sublimation directly from solid to gas and also undergoes melting from solid to liquid; water vapour in the atmosphere undergoes condensation and cooling to form rain.
Thus, we can say that water circulates through the Earth's water by changing it's state.
When bacteria have multiplied at least 1000 times, what is the pattern of growth that can be seen with the naked eye is called?
cluster
colony
family
clump
Answer:
Colony
Explanation:
A student completes a titration by adding 25.0mL of NaOH of unknown concentration to 35.0mL of 0.25M HCl. What is the molar concentration of NaOH? If it takes 15 mL of 0.5M sodium hydroxide solution to neutralize 200 mL of Hydrochloric acid, what is the concentration of HCl? THIS IS TIMED PLEASE HELP! (include work shown)
Answer:
0.35M NaOH and 0.0375M HCl.
Explanation:
NaOH reacts with HCl as follows:
NaOH + HCl → NaCl + H2O
Where 1 mole of NaOH reacts per mole of HCl
To solve the first question we must find the moles of HCl that reacted = Moles NaOH in the unknown. With the moles and the volume we can find its molar concentration:
Moles HCl = Moles NaOH:
0.0350L * (0.25mol / L) = 0.00875 moles NaOH
In 25.0mL = 0.0250L:
0.00875 moles NaOH / 0.0250L =
0.35M NaOH
For the second question, the moles of NaOH = moles HCl. With the 200mL = 0.200L the molarity is:
Moles NaOH = Moles HCl:
0.015L * (0.5mol / L) = 0.0075 moles HCl / 0.200L =
0.0375M HCl
how many electrons does an element have if its atomic number is 20
Answer:
20 electrons
A neutral atom with atomic number 20 will have 20 electrons.
The atomic number is, by definiton, the number of protons in an atom's nucleus but for a neutral atom it's also equal to the number of electrons. Each element has a different, unique number of protons that determines its identity.
Explanation:
What is formed when 2 non metals reacts?
A) covalent bond
B) ionic bond
C) molecular bond
Answer:
A) covalent bond
Explanation:
Covalent bonding generally happens between nonmetals.
How many match sticks will there be in the 4th picture?
