Based on the percentage mass of chlorine in tubocurarine, the mass of chlorine in 500 kg of tubocurarine is 52.13 kg.
What is the percentage mass of chlorine in tubocurarine?Tubocurarine chloride is the chloride salt form of tubocurarine which has the molecular formula below:
[tex]C_{37}H_{42}Cl_2N_2O_6[/tex]
The molecular mass of tubocurarine = 681 g/mol
mass of chlorine in tubocurarine = 71 g
Percentage mass of chlorine = 71/861 × 100% = 10.4%
Mass of chlorine in 500 kg of tubocurarine = 500 Kg × 10.4%
mass of chlorine in tubocurarine = 52.13 kg
Therefore, the mass of chlorine in 500 kg of tubocurarine is 52.13 kg.
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30 POINTS How is Gestalt Psychology related to creativity?
Answer:
Gestalt pioneers contribute rich examples of creative thinking and practice in their writings and in their work
Explanation:
Propose a solution to reduce the risk of flammable methane from concentrating in landfills.
Given what we know, we can confirm that one possible solution to the problem of flammable methane from concentrating in landfills is to use biosolids.
What are biosolids?Biosolids are organic matter that are created by recycling waste. These biosolids can act as a cover over landfills. The bacteria present in these solids then use this methane gas to create carbon dioxide gas. Though not ideal, this product is much less harmful to the environment than methane.
Therefore, we can confirm that one possible solution to the problem of flammable methane from concentrating in landfills is to use biosolids.
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what is the number and kind of element of C3H8NCl
There are four kinds of elements i.e carbon, hydrogen, nitrogen, and chlorine. The compound name is allylamine Hydrochloride.
What is an allyl group?An allyl group is a substituent with the structural formula
[tex]H_2C=CH - CH_2R[/tex], where R is the rest of the molecule.
There are four kinds of elements i.e carbon, hydrogen, nitrogen, and chlorine. The compound name is allylamine Hydrochloride.
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What is the total number of atoms in 0. 26mol of glucose, (C6H12O6)
Answer:
the answer is 6 atoms
What is a molecule?
A. A particle with two or more atoms bonded covalently
B. A substance combining two or more elements
C. The smallest unit of an element
D. An atom with a positive or negative charge
Answer:
I believe your answer would be, "A" A particle with two or more atoms bonded covalently.
Explanation:
The definition of a molecule;
A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
If equal volumes of 1.0 M HCl and 1.0 M AgNO3 are combined in a beaker, will a solid precipitate form?
1 mole of H20 has the same mass as 1 mole of 02 true or false.
Which property of water contributes most to the ability of fish in lakes to survive very cold winters?.
Answer:
And that means fish must be able to survive down here. This is due to a special property of water: the elasticity of H2O. We know that when the temperature sinks below freezing, water first contracts and then expands as it begins to turn to ice. Ice, being lighter than water, floats.
Explanation:
The property of water that allows fish to survive in a lake that is frozen over is the fact that ice is less dense than liquid water.
1. The skeletal system is responsible for all of the following except:
a. Producing red and white blood cells
b. Providing oxygen to cells and removing carbon dioxide waste
Movement of the body
C. Movement of the body
D. Protecting vital organs
Answer:
B
Explanation:
the Answer is B .
The skeletal system produce blood cells , protect organs and helps the movement of the body .
Would a hurricane more likely remain a hurricane if it reached point A or point B? Explain your answer.
Answer:
Hurricane will stay hurricane.
Explanation:
(B) Water provides energy
(A) it will die if it's on land
Which two wire properties would provide the greatest resistance to the flow of a current? short, thin long, thin hot, thick cool, thick
The two properties which provide the greatest resistance to the flow of a current are the long and thin wires.
What is resistance?Resistance is the quantity which define the flow of current from any wire and it is represented as:
R ∝ l/A, where
l = length of wire
A = cross section of wire
From the relation it is clear that resistance is high in long wire and thin wire.
So, required properties are long and thin.
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Answer:
B.
Explanation:
the answer is the second option.
How to take off acrylic nails at home with acetone?.
1. A hydrocarbon with this formula C4H6 is what?
a. indeterminate
b. s unstable
c. is somewhat reactive
d. is chemically inert
2. Why does carbon form covalent bonds?
a. It has the ability to release 4 electrons to another atom.
b. It has the ability to pull 4 electrons from another atom.
c. It has a strong electronegativity.
d. It will usually bond to multiple atoms which can provide a total of 4 additional electrons.
₹1
C_4H_6The general rule is C_n H_2n-2
(4,2(4)-2=8-2=6)It's Butyne and contains tripple bond
Is unstableHighly reactive inorder to break pi bond .Chemically activeOption A
#2
It has strong electronegativity
Carbon can both donate and accept 4 electrons but in practical it can't do because it requires so huge amount of energyCarbon has highest catenation property in world.What is the hydroxide ion concentration of a solution with a hydrogen ion concentration of 7.58 × 10-10 M?
In order to change the liquid milk into a solid, what had to happen
For each of the following acid-base titration combinations , determine the number of moles of the first substance listed that would be the chemically equivalent amount of the second substance.
a. NaOH with 1.0 mol HCL
b. HNO3 with 0.75 mol KOH
c. Ba(OH) with 0.20 mol HF
d. H2SO4 with 0.90 mol Mg(OH)2
1.0 mol HCl will require 1.0 mol NaOH, 0.75 mol KOH will require 0.75 mol [tex]HNO_3[/tex], 0.20 mol HF will require 0.1 mole [tex]Ba(OH)_2[/tex], and 0.90 mol [tex]Mg(OH)_2[/tex] will require 0.90 mole [tex]H_2SO_4[/tex]
What are mole ratios?It is the ratio of the chemical components in chemical reactions.
The equation for each of the listed reactions is as follows:
NaOH + HCl ---------> NaCl + [tex]H_2O[/tex][tex]HNO_3 + KOH ----- > KNO_3 + H_2O[/tex][tex]Ba(OH)_2 + 2HF ------ > BaF_2 +2 H_2O[/tex][tex]H_2SO_4 + Mg(OH)_2 ---- > MgSO_4 + 2H_2O[/tex]The mole ratio of NaOH and HCl is 1:1, that of [tex]HNO_3[/tex] and KOH is also 1:1, that of [tex]Ba(OH)_2[/tex] and HF is 1:2, and that of [tex]H_2SO_4[/tex] and [tex]Mg(OH)_2[/tex] is 1:1.
Thus, 1.0 mol HCl will require 1.0 mol NaOH, 0.75 mol KOH will require 0.75 mol [tex]HNO_3[/tex], 0.20 mol HF will require 0.1 mole [tex]Ba(OH)_2[/tex], and 0.90 mol [tex]Mg(OH)_2[/tex] will require 0.90 mole [tex]H_2SO_4[/tex]
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Scientists are trying to understand the composition of substances on
different planets. Which best describes how scientists are probably working
on this problem?
O A. Scientists share information with other scientists who approach
the problem in the same way so that they get support for their
observations.
O B. Scientists study the problem in the same way because they have
similar backgrounds and share information with each other.
O C. Scientists with different perspectives approach the problem in
various ways, but they all make observations and look for
patterns.
O D. Scientists with the same perspectives use similar experiments so
that they can compare results and draw the same conclusions.
Answer:
I would say C
Explanation:
How are proton , neutron and electron arranged in an atom
Which balances the equation mg o2 → mgo? mg 2o2 → 4mgo 2mg 2o2 → 2mgo 2mg o2 → 2mgo 2mg 2o2 → 4mgo
The equation which balances the given chemical reaction between magnesium and oxygen is 2Mg + O₂ → 2MgO.
What is balanced equation?Balanced equations are those in which all of the entities on both the reactant and product sides are equal.
Given chemical reaction:
Mg + O₂ → MgO
Above reaction is not balanced as number of oxygens are not equal on both sides.
Mg + 2O₂ → 4MgOBecause the amount of magnesium atoms is not equal, this is not a balanced equation.
2Mg + 2O₂ → 2MgOBecause the amount of oxygen atoms is not equal, this is not a balanced equation.
2Mg + O₂ → 2MgOThis is a balanced equation as number of each atoms are equal on both sides.
2Mg + 2O₂ → 4MgOBecause the amount of magnesium atoms is not equal, this is not a balanced equation.
Hence balanced equation is 2Mg + O₂ → 2MgO.
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What is the name of the acid with the formula h3po3.
Answer:
phosphorous acid
Explanation:
PO4 (phsophate) is a polyatomic, so when the subscript changes, so does the name and it becomes phosphite (one less oxygen atom)
if the name of the polyatomic ends in ite, the ending of the acid name becomes ous making it phosphorous acid.
You don't need to worry about the hydrogen in the naming process because it is an oxyacid, where you only really worry about the polyatomic (acid tells you there is hydrogen)
How many valence electrons does a neutral atom of boron have?.
Answer:
3
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What gas is a byproduct of agricultural production?.
Answer:
Explanation:
Animal waste is broken down, producing methane gas
A sample of thulium-171 has a mass of 0.4055 g and is radioactive. How much of this sample if left after 6 half-lives
Answer:
6.336 mg
Explanation:
.4055 x (1/2)^6 = .006336 gm
At what temperature would 2. 10 moles of N2 gas have a pressure of 2. 25 ATM and in 25. 0 L tank?
Answer:
About 326 K.
Explanation:
Recall the ideal gas law:
[tex]\displaystyle PV = nRT[/tex]
Where P is the pressure, V is the volume, n is the number of moles, R is the universal gas constant, and T is the temperature.
Because we want to solve for temperature T:
[tex]\displaystyle T = \frac{PV}{nR}[/tex]
Substitute and evaluate. R has a value of 0.08206 L-atm/mol-K:
[tex]\displaystyle \begin{aligned} T & = \frac{(2.25\text{ atm})(25.0\text{ L})}{(2.10\text{ mol})\left(\dfrac{0.08206\text{ L - atm}}{\text{mol - K}}\right)} \\ \\ & = 326\text{ K}\end{aligned}[/tex]
In conclusion, the temperature of the gas will be about 326 K.
A 687.6 g sample of aluminum was heated by applying 8,284.4 J of energy. If the initial temperature of the aluminum was 23.1 oC, what was the final temperature of the sample, in degrees Celsius
The final temperature of the sample, in degrees Celsius is 36.6 °C
Heat capacity of a substanceFrom the question, we are to determine the final temperature of the sample
From the formula for heat capacity, we have that
Q = mcΔT
Where Q is the heat energy
m is the mass
c is the specific heat capacity of the subtance
ΔT is the change in temperature ([tex]\Delta T= T_{f} -T_{i}[/tex])
From the given information
m = 687.6 g
Q = 8284.4 J
[tex]T_{i}[/tex] = 23.1 °C
Putting the parameters into the equation, we get
[tex]8284.4 = 687.6 \times 0.89 \times (T_{f} -23.1)[/tex]
NOTE: Specific heat capacity of aluminum = 0.89 J/ g °C
Then,
[tex]8284.4 = 611.964 \times (T_{f} -23.1)[/tex]
[tex](T_{f} -23.1)= \frac{8284.4}{611.964}[/tex]
[tex](T_{f} -23.1)= 13.5[/tex]
[tex]T_{f} = 13.5 + 23.1[/tex]
[tex]T_{f} = 36.6 \ ^\circ C[/tex]
Hence, the final temperature of the sample, in degrees Celsius is 36.6 °C
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Difference between simple and fractional distillation.
Answer:
Simple distillation is the method used to separate substances in mixtures with significantly different boiling points, while fractional distillation is used for mixtures containing chemicals with boiling points close to each other.
Question 1 (1 point)
What are examples of wetlands?
Choose all that apply.
Question 1 options:
estuaries
wet meadows
marshes
bogs
Question 2 (1 point)
Estuaries are the place where rivers flow into the sea, and the freshwater they contain meets and mixes with salty seawater.
Question 2 options:
True
False
Question 3 (1 point)
_________ are special features or body parts that living things use to help them survive in a biome.
Question 3 options:
rivers
habitats
biomes
adaptations
Question 4 (1 point)
Freshwater biomes depend on the ___________.
Question 4 options:
water cycle
nitrogen cycle
phosphorus cycle
carbon cycle
Question 5 (1 point)
River plants have to cope with moving water. Plants, like eelgrass, have short wide leaves so they don't get washed away.
Question 5 options:
True
False
Answer: Q1: Wet meadows, & Marshes
Q2: True
Q3: Habitats
Q4: Water cycle
Q5: True
Hope this helps & have a blessed day. :)
What does homeostasis refer to
Answer:
Homeostasis, as currently defined, is a self-regulating process by which biological systems maintain stability while adjusting to changing external conditions.
Explanation:
Elisa was walking through her neighborhood one afternoon and came upon a cat that was stuck under a fallen tree branch. The branch was large and heavy, but Elisa was able to lift it and free the cat.
Which gland helped Elisa to lift the branch?
thymus
pancreas
ovary
adrenal
Based on this information, the gland that helped Elisa to lift the branch is the adrenal gland.
What is the adrenal gland?They are two small organs responsible for secreting hormones such as cortisol, adrenaline or noradrenaline into the bloodstream.
These hormones have to do with how the body responds to stress to help the body get a boost of energy to better handle an emergency situation, and some are vital for survival.
Therefore, we can conclude that based on this information, the gland that helped Elisa to lift the branch is the adrenal gland.
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Answer:
D- Adrenal
Explanation:
What does an-ite or-ate ending in a polvatomic ion mean?
Answer:
An -ite or -ate ending means a polyatomic ion that includes oxygen is in the formula.
ate = one more O than -ite
Explanation:
Example:
NO2 is nitrite
NO3 is nitrate
You can see that the molecules are made of the same elements, however they have more or less of one of the elements (i.e. oxygen).
These suffices are used in oxygen compounds
Take example of Sulphur
SO_2=sulphiteSO_3=sulphateite means 2 and ate means 3