The mcg/kg/minute the client is receiving is 1.904 mcg/kg/min whose weight is 70 kg.
What does mcg kg mean?1 milligram (mg) = 1000 micrograms (mcg) or 0.001 grams (g) 1 g = 1000 mg 1 kilogram (kg) = 1000 g 1 kg = 2.2 pound (lb) 1 liter (L) = 1000 milliliters (mL)
The number of mcg/kg/minute = flow rate × concentration ÷ mass of client
Flow rate = 12 ml/hour = 12 ml/hour × 1 hr/60 min = 0.2 ml/min
Concentration = mass of dopamine/volume
where
mass of dopamine = 800 mg and
volume = 500 ml
Concentration =800 mg/500 ml
= 1.6 mg/ml
= 1.6 mg/ml × 1000 mcg/mg
= 1600 mcg/ml
mass of client = 70 kg
Calculating mcg/kg/minute
So, substituting the variables into the equation, we have
mcg/kg/minute = flow rate × concentration ÷ mass of client
mcg/kg/minute = 0.08 ml/min × 1600 mcg/ml ÷ 70 kg
mcg/kg/minute = 320 mcg/min ÷ 70 kg
mcg/kg/minute = 1.904 mcg/kg/min
Thus, the mcg/kg/minute the client is receiving is 1.904 mcg/kg/min
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Lead(II) chromate, PbCrO4, is a yellow paint pigment (called chrome yellow) prepared by a precipitation reaction. In a preparation, 52.5 g of lead(II) chromate is obtained as a precipitate. How many moles of PbCrO4 is this
Answer:
n = 0.1624 moles
Explanation:
[tex]n=\frac{m}{M} \\n=\frac{52.5}{323.1937} \\n= 0.1624 mol[/tex]
14.americium- 241 is widely used in smoke detectors. the radiation released by this element ionizes particles that are then detected by a charged particle collector. the half-life of am-241 is 432.2 years, and it decays by emitting alpha particles. how many alpha particles are emitted each second by a 5.00 g sample of am-241
Hence, 5.1 * 10^-11 alpha particles is being emitted each second by the sample.
What is half life?The term half life is the time taken for only half of the original amount of radioactive nuclides to remain.
Thus, we have that the half life is 432.2 years or 1.36 * 10^10 s.
k = 0.693/ 1.36 * 10^10 s
k = 5.1 * 10^-11 alpha particles per second.
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PLEASE HELP
which anode-carhoden combination would NOT produce a voltaic cell with high voltage?
Ca Ni
AI Cu
Au H
Li Fe
Answer:
The correct answer is Au, H
(Took the exam)
Convert molecules of vitamin d (molar mass 384.7 g/mol) to grams of vitamin d.
The 6.023 * 10²³ molecule means 384.7 grams of Vitamin D.
What is a mole ?A mole is a universal unit used to measure large number of atoms , molecules of an element.
one mole is equal to the Avogadro's Constant.
Mole is equal to the ratio of the mass of a compound to its molecular weight
It is given that Vitamin D is present
no. of molecule = 6.023 * 10²³
6.023 * 10²³ molecule constitutes of 1 mol
1 mole is equal to the molar mass of a compound/ element
Therefore 1 mole = 384.7grams of Vitamin D
and hence 6.023 * 10²³ molecule means 384.7 grams of Vitamin D.
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A gas cylinder contains exactly 1 mole of oxygen gas (O2). How many molecules of oxygen are in the cylinder?
The number of molecules of oxygen in the cylinder is 6.02×1023 molecules
Data obtained from the question
Number of mole of oxygen = 1 mole
Number of molecule of oxygen =?
From Avogadro's hypothesis, we understood that 1 mole of any substance contains 6.02×1023 molecules. This implies that 1 mole of oxygen contains 6.02×1023 molecules.
Since the cylinder contains 1 mole of oxygen, then the number of molecules of oxygen present in the cylinder is 6.02×1023 molecules.
solve for x
[tex] \bold{x^{2} + 6x + 5 = 0}[/tex]
ty! ~
Answer:
x²+6x+5=0
On comparing with the equation
ax² + bx + c = 0
a=1, b = 6 and c = 5
Now
b²– 4ac = 6² – 4 x 1 x 5 = 36 - 20 = 16
[tex]x = \frac{ - b \:± \: \sqrt{b {}^{2} - 4ac } }{2a} \\ \\ x = \frac{ - 6\:± \: \sqrt{16 } }{2 \times 1} \\ \\ x = \frac{ - 6± {4} }{2} \\ \\ x = \frac{ - 6 + {4} }{2} \: \: or \: \: x = \frac{ - 6 - {4} }{2} \\ \\ \implies \: x = \frac{ \cancel-2 }{ \cancel2}^{-1 }\: \: or \: \: x = \frac{ \cancel-10 }{ \cancel2}^{-5}\\ \\ \implies \: { \blue{\fbox{ \: x = - 1 \: \: \: or \: \: \:x = - 5}}}[/tex]
[tex] {x}^{2} + 6x + 5 = 0 \\ \\ {x}^{2} + 5x + x + 5 = 0 \\ \\ x(x + 5) + 1(x + 5) = 0 \\ \\ (x + 1)(x + 5) = 0.[/tex]
[tex]x = - 1 \\ x = - 5.[/tex]
Hydrogen and iodine gas react to form hydrogen iodide, as shown in the equation H2(g) + I2(g) → 2HI(g). Suppose you are given a time interval from t1 = 10 seconds to t2 = 20 seconds and a change in H2 concentration from0.210 mol/L to 0.185 mol/L. Use the reaction rate equation to calculate the average reaction rate during that time period. Show your work.
The average reaction rate during that time period is 0.0025 mol/l.
What is concentration?The concentration of a solution is a measure of the amount of solute that has been dissolved in a given amount of solvent or solution.
Given data:
[tex]t_1[/tex] = 10 seconds
[tex]t_2[/tex] = 20 seconds
[tex]C_1[/tex] = 0.210 mol/L
[tex]C_2[/tex] = 0.185 mol/L
∆C = |[tex]C_2[/tex]–[tex]C_1[/tex]| = |0.185-0.21| = 0.025 mol/l
∆t = [tex]t_2[/tex]– [tex]t_1[/tex] = 20 - 10 = 10 sec
∆C — is the concentration change
∆t — is the time change
V — reaction rate
V= [tex]\frac{\Delta C}{\Delta t}[/tex] = [tex]\frac {0.025}{10}[/tex]= 0.0025 mol/l•sec
Hence, 0.0025 mol/l is the average reaction rate during that time period.
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4. How can extinct species be saved?
O by helping their numbers increase beyond "critical mass"
by increasing their population numbers
Oby encouraging mating in zoos
They cannot. Extinction is forever.
Extinct species be saved by increasing their population numbers and is denoted as option B.
What is Population?
This is defined as the total number of organisms in a particular area at a given period of time.
Extinct species can be saved by increasing their population through conservation and public awareness.
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The chart above shows the relationship between the first ionization energy and the increase in atomic number. The letter on the chart for the alkali family of elements is
A. W
B. X
C. Z
D. Y
What was one strategy radical republicans used to achieve their goals for
reconstruction?
a. opposing any proposals to amend the u.s. constitution
b. offering to let southern states easily rejoin the united states
c. using the military to protect african american voting rights
d. removing andrew johnson from office through impeachment
submit
Using the military as a tool was what the radical republicans used to achieve their aim of reconstruction.
What is Reconstruction?This was an event which occurred after the American Civil War in which all the chaos were taken care of and normalcy restored to the country.
The radical republicans ensured rights of the people such as voting were protected through the use of the military force and makes option C the correct choice.
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One of the strategy radical republicans used to achieve their goals for reconstruction using the military to protect african american voting rights. That is option C.
What is the radical republican plan?The radical republican plan was the plan set out by the republicans to re-empowers the Freedman's Bureau and set reform efforts in motion that will lead to the 14th and 15th Amendments.
The strategy used by radical republicans include:
They wanted to break the power of wealthy planters who had long ruled the South. They wanted to ensure that freedmen received the right to vote. They used legislative reforms, or changes in laws, to achieve their goals.Therefore, one of the strategy radical republicans used to achieve their goals for reconstruction using the military to protect african american voting rights.
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help help help help help help
The exercise requires you to complete the sentences using the drop down. The complete sentences are given below.
Which step in the design process is represented by each of the following?The topic that was chosen because many students experienced cracked cell phone screens is: Protecting Cell Phones;Discussing ideas for possible cell phone cases: Phones that are durable;Writing down their list of requirements needed to make the phone case: Colorful and funky.Learn more about completing sentences at:
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Generally speaking, which group would have the lowest electronegativity values in a period?.
Answer:
Group 1
Explanation:
The alkali metals would do anything to lose their one electron and become a cation with a plus 1 charge. They basically have the lowest electronegativity values.
Gold (Au) should have an electron notation that ends in 6s24f145d9. To become more stable, the electrons in reality rearrange themselves. How do they do it
The electrons rearrange themselves to ensure that orbitals at lower energy levels are first filled before those at higher energy levels.
Electronic configurationOne of the rules of electronic configuration states that lower energy level orbitals are first filled with electrons before higher energy level orbitals.
Thus, the electrons in Gold will rearrange themselves to obey the above rule in order to achieve more stability.
Hence, the electronic configuration becomes: [tex]4f^{14}, 5d^{10} ,6s^1[/tex]
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Complete the chemical equation for the reaction of iron with chlorine
…………Fe + …………. Cl2 -……………….FeCl3
Answer:
I believe that the answer is 2 Fe + 3 Cl2 ---> 2 FeCl3.
Explanation:
You balance the equation by doing this...
FE= 1x2=2 FE= 1x2=2
CL= 2x3=6 CL+2x3=6
Hope this helps! :)
Express this number in scientific notation.
31,000,000,000
Answer:
3.1 x 10^10
Explanation:
there are 9 zeroes, so the quick way is too just add a one to the 9 and you get 10, so that is your power.
Emmett is lifting a box vertically. Which forces are necessary for calculating the total force?
Fp, Ff, and Fg
Fp and FN
Fp, FN, and Ff
Fp and Fg
Emmett is lifting a box vertically. The forces that are necessary for calculating the total force is Fp and Fg. The correct option is D.
What is force?Force is an influence or strength that is used to initiate an action or movement. There are total eight types of forces are present.
Fp is the applied force and Fg is the force of gravitation, if Emmett is lifting a box vertically, these force will be applied
Thus, the correct option is D, Fp and Fg.
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Answer:
D
Explanation:
Edge 2022
HELP 15 POINTS!! In canoeing, you paddle backward to go forward. Canoeing can be explained by Newton's third law that says ______________.
Explanation:
Newtons third law states for every action (force) in nature there is an equal and opposite reaction
In the photo
Pls pls pls pls pls pls pls pls pls pls
The correct answers are Potential and Kinetic energy.
What are potential energy and examples?An object can store energy as a result of its position. For example, the heavy ball of a demolition machine is storing energy when it is held at an elevated position. This stored energy of position is referred to as potential energy. Similarly, a drawn bow is able to store energy as a result of its position.
What is kinetic energy?Kinetic energy is a form of energy that an object or a particle has by reason of its motion. If work, which transfers energy, is done on an object by applying a net force, the object speeds up and thereby gains kinetic energy.
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2Mg + O2 --> 2MgO
write down the name and the chemical formula of the product, which formed during the reaction
Name of product:
Chemical formula product:
Answer:
Name of product:
magnesium oxide/magnesia
chemical formula:
MgO
how much liquid is needed to prepare 629.5ml of a solution that has a new concentration of 14.3m if the stock solution is 25.2m?
Answer:
Right if you think it is.
what is the specific heat capacity of propan-1-ol
Answer:
14
Explanation:
sun normal persentage is 14
The graph below shows how the temperature and volume of a gas vary when
the number of moles and the pressure of the gas are held constant. How can
the volume of the gas in a sealed container be decreased if the pressure is
constant?
T
A. By letting the gas diffuse over time
B. By lowering the temperature
C. By raising the temperature
D. By letting the gas effuse over time
The volume of the gas in a sealed container would be decreased at constant pressure: C. by raising the temperature.
What is Charles law?Charles law states that when the pressure of an ideal gas is kept constant, the volume of a gas is directly proportional to the absolute temperature of the gas.
This ultimately implies that, the volume of a gas decreases at constant pressure when its temperature is decreased and vice-versa.
In conclusion, we can infer and logically deduce that the volume of the gas in a sealed container would be decreased at constant pressure by raising the temperature in accordance with Charles law.
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how many neutrons does the isotope lithium have
A.) 3
B.) 5
C.) 8
D.) 4
what is the molarity of a nitric acid solution HNO3 if 20 ml of the solution is needed to exactly neutralize 10 ml of a 1.67 M NaOH solution?
Answer: 0.84 M
[tex]M_{A}V_{A}=M_{B}V_{B}\\(20)M_{B}=10(1.67)\\M_{B}=\frac{10(1.67)}{20} \approx \boxed{0.84 \text{ M}}[/tex]
Question 1 of 5
Which two substances are products of the chemical reactions of cellular
respiration?
A. Oxygen
B. Carbon dioxide
C. Sugar
D. Water
SUBMIT
Answer:
Oxygen and sugar
Explanation:
Hope this helps! Please give branliest.
What happens to the particles in hot water when it cools down
Answer:
its particles slow down and come closer together.
Please help!! Needed by today!!
Answer:
heres your answer 50gms
A container contains three gasses, N2, O2 and Ar, with partial pressures of 23.3 kPa, 40.9 kPa and 13.7 kPa respectively. What is the total pressure inside the container
What volume of a 0.252 M hydroiodic acid solution is required to neutralize 18.0 mL of a 0.151 M barium hydroxide solution
Answer: 10.8 M
Explanation:
[tex]M_{A}V_{A}=M_{B}V_{B}\\(0.252)V_{A}=(18.0)(0.151)\\V_{A}=\frac{(18.0)(0.151)}{(0.252)} \approx \boxed{10.8 \text{ M}}[/tex]
What is the molarity of a solution that is composed of 2.00 moles of potassium iodide dissolved in 4 l of water
Answer:
0.5 M
Explanation:
molarity = (moles of solute)/(liters of solution)
molarity = 2.00/4 = 0.5 M