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Jessie

Questions (318)

Explain whether iron could be made by heating oxide with zinc metal.
1. 1 answer
2. 119 views
Explain the importance of each one, giving an equation for every reaction you describe.
1. 0 answers
2. 118 views
What three materials are charged into the top of a blast furnace producing iron?
1. 1 answer
2. 114 views
Explain where you think mysterium is placed in the reactivity series of the metals
1. 1 answer
2. 132 views
Bailee explained that when traveling to the moon,he needs to pack light because the weight of objects is what changes when the
1. 1 answer
2. 474 views
A chemistry class is experimenting with iodine to see which common white powder items will react and make the iodine change
1. 1 answer
2. 604 views
Jessie ran 4 miles in 1 hour how long did it take Jessie to run one mile
1. 1 answer
2. 403 views
A cyclist travels for x hours at 5km/h. He travels 35km altogether and his average speed is 7km/h. Find x and y
1. 1 answer
2. 321 views
Hey! On connexes theres an portfolio item about "telling earths story" but i do not know anything about it, and i REALLY need
1. 5 answers
2. 752 views
A Ferris wheel is 36 meters in diameter and boarded from a platform that is 1 meter above the ground. The six o’clock position
1. 1 answer
2. 962 views
A binomial model shows that two outcomes have the same probability of occurring. In an experiment with 60 trials to test this
1. 2 answers
2. 1,204 views
Which of the following is a benefit of having a standard measurement system that can be used by scientists by worldwide?
1. 2 answers
2. 751 views
What are some of the different ways in which governments are formed?
1. 1 answer
2. 858 views
Tin and Chlorine synthesize Stannous Chloride according to a two step mechanism:Sn (s) + Cl2 (g) ⇌ SnCl2 (s) + 83.6 kcal SnCl2
1. 1 answer
2. 712 views
A 17-car train standing on the siding is startedin motion by the train’s engine. 4 cm slack is between each of the cars, which
1. 1 answer
2. 1,398 views
Solve 4w − 7k = 28 for k. Show your work
1. 1 answer
2. 834 views
Please correct my English grammar below.Please.. Moringa tree still growing up. Do not pick the leaves yet. Wait until become
1. 1 answer
2. 561 views
If the amount of gas is decreased and the temperature and pressure stay constant, what will be the effect on its volume?The
1. 3 answers
2. 728 views
What is the main function of an official transcript in high school?a. to reflect high school graduation credits and requirements
1. 13 answers
2. 9,115 views
15 less than the product of two and r
1. 2 answers
2. 633 views
Find the least and greatest possible original numbers:ROUNDED PLACE is Ten Thousands, ROUNDED NUMBER is 190,000. What is the
1. 1 answer
2. 2,901 views
Find the least and greatest possible original numbers:ROUNDED PLACE is Thousands, ROUNDED NUMBER is 1,800. What is the Least
1. 1 answer
2. 754 views
126 is the product of 7 and Victor's savings. Use the variable v to represent Victor's savings.
1. 4 answers
2. 1,718 views
what is the recursive rule for the sequence -7.4, -21.2, -35, -48.8, -62.6an=an-1+13.8 an=an+1+13.8 an=an+1-13.8 <-- or D
1. 4 answers
2. 972 views
an 1100 kg car accelerates from rest at 3.4 m/s2. if the horizontal force exerted on the wheels by the road is 5600 N, what
1. 0 answers
2. 876 views
1. You have in front of you three vials containing a clear liquid. You are told that each vial contains one of the following
1. 1 answer
2. 1,204 views
Which of these sugar(s) would contain amylose? (*I looked it up but there wasn't a clear answer* )Glucose Fructose Sucrose
1. 0 answers
2. 579 views
You measure out 3.00 mL of 0.100 M Co(NO3)2, place it in a test tube and add 7.00 mL of water. What is the concentration of the
1. 3 answers
2. 1,127 views
In an experiment designed to determine the concentration of Cu+2 ions in an unknown solution, you need to prepare 100 mL of 0.10
1. 1 answer
2. 713 views
A hotel gives every customer who makes a reservation a confirmation code. How many different confirmation codes can be created
1. 1 answer
2. 590 views
A diagonal of a square has the same length as a diagonal of a rectangle. The area of the rectangle is 60% of the area of the
1. 1 answer
2. 703 views
The reaction 2 NO(g) + O2(g) --> 2 NO2(g) is important in forming smog. Under certain conditions, the rate law for a the
1. 1 answer
2. 705 views
Calculate the concentration of KIO3(aq) present at the beginning of a reaction when 2.00 mL of 0.020 M KIO3(aq) is mixed with
1. 1 answer
2. 1,491 views
Consider the reaction:N2(g) + 3 H2(g) --> 2 NH3(g). At a particular time, the nitrogen is being consumed at a rate of 0.60
1. 2 answers
2. 765 views
The rate of a reaction A + 2B --> products is determined. When the concentration of A is 1.0 M, the rate of the reaction is 0.50
1. 2 answers
2. 765 views
In a reaction, a chemist is observing the absorbance of CoCl2(aq) as a function of time to determine the rate at which it is
1. 1 answer
2. 786 views
Whuch of the following expressions is equivalent to the expression below?4[5x+2-x]
1. 1 answer
2. 606 views
what did hatshepsut do as pharaoh of Egypt?
1. 1 answer
2. 611 views
2 1/8 divided by 3 1/4=a.68/104 b.221/32 c.17/26 d.6 29/32
1. 2 answers
2. 391 views
Instructions: Modifique el párrafo por cambiar las palabras entre comillas al tiempo FUTURO.Modelo: Mi familia ‘va a
1. 0 answers
2. 686 views
given f(x) ={ 2x^2 + 5 x < or equal to 2 3 - x^2 x > 2 find lim f(x) x -> 2^+ lim f(x) x -> 2^- lim f(x) x -> 2
1. 2 answers
2. 492 views
The equilibrium constant for the formation of phosphorus pentachloride is 1.9. If the partial pressure of each gas is 0.5 atm,
1. 2 answers
2. 1,004 views
Knowing what information would allow you to order gas molecules according to their velocity?A. Pressure and temperature B.
1. 1 answer
2. 891 views
Which properties result from minimal interactions between molecules in a gas?A. A characteristic geometric shape and limited
1. 1 answer
2. 2,939 views
How do forces determine the shape of a protein?A. The covalent bonds in the protein determine the shape of the protein. B. The
1. 3 answers
2. 2,438 views
How do intermolecular forces determine the vapor pressure of a liquid?A. A nonpolar compound has a low vapor pressure because of
1. 2 answers
2. 1,996 views
Which of the following statements is (or are) true?I Hydrogen bonds occur between two hydrogen atoms. II Hydrogen bonding occurs
1. 3 answers
2. 4,240 views
Which statement correctly pairs the order of a reaction with the units for the rate constant?A. third order; s/M B. zero order;
1. 3 answers
2. 2,189 views
Which of the following terms are present in the rate law?A. The rate constant, the concentration of the reactants, and the order
1. 0 answers
2. 766 views
How many moles of oxygen are produced from the decomposition of 36.7 g of dinitrogen pentoxide?2N2O5 4NO2 + O2 A. 3.19 mol B.
1. 1 answer
2. 3,374 views
Which of the following terms are present in the rate law?A. The rate constant, the concentration of the reactants, and the order
1. 0 answers
2. 644 views
If the rate law of a chemical reaction is k[NH4+]2[NO2–], what is the order of the reaction?1. The order of the reaction
1. 2 answers
2. 2,173 views
During which stroke of a four-stroke internal combustion engine is the system's temperature raised because work is done to the
1. 3 answers
2. 2,993 views
_____________ are a type of intermolecular force that _____________ .A. London forces; occur between permanent dipoles B. London
1. 1 answer
2. 1,005 views
How many moles of oxygen are produced from the decomposition of 36.7 g of dinitrogen pentoxide?2N2O5 4NO2 + O2
1. 2 answers
2. 920 views
What are the zeroes of the polynomial equation, 𝑦 = 𝑥3 + 3𝑥2
1. 1 answer
2. 552 views
An antifreeze solution is prepared containing 40.0 g of ethylene glycol (molar mass = 62.0 g/mol) in 60.0 g of water. Calculate
1. 2 answers
2. 832 views
what is 875 multiplied by 3/2?
1. 1 answer
2. 382 views
Winning which World War II battle allowed the Allied forces to protect strategic locations for trade and resources in the
1. 1 answer
2. 1,536 views
How many grams of sodium sulfate na2so4 must be added to make 500ml of a 12.5 M sodium sulfate solution
1. 1 answer
2. 1,164 views
From the three windows, through the cracks of the old wooden shutters, came only a few scattered sunbeams which, in the midst of
1. 3 answers
2. 1,739 views
Standing before the press which faced the windows, Dr. Pascal was looking for a paper that he had come in search of. With doors
1. 2 answers
2. 854 views
Marc Antony's Speechfrom Shakespeare's Julius Caesar Friends, Romans, countrymen, lend me your ears; I come to bury Caesar, not
1. 2 answers
2. 1,483 views
Friends, Romans, countrymen, lend me your ears; I come to bury Caesar, not to praise him. The evil that men do lives after them;
1. 3 answers
2. 1,282 views
Read the following passage and answer the questions that follow:Doctor Pascal by Emile Zola In the heat of the glowing July
1. 4 answers
2. 2,018 views
from "The Lady of Shalott"by Alfred, Lord Tennyson In the stormy east-wind straining, The pale-yellow woods were waning, The
1. 2 answers
2. 1,982 views
Read the passage and answer the question that follows:Despite our best efforts as parents, we will always make mistakes in
1. 1 answer
2. 1,300 views
Read the passage and answer the question that follows.Chief Joseph's Surrender Speech, October 5, 1877 by Chief Joseph Tell
1. 5 answers
2. 3,949 views
What immediate effect will the pieds-noirs have on these native Algerians' lives?A. They will become factory or commercial farm
1. 1 answer
2. 1,127 views
😭😭😭😭😭😭ORDER OF OPERATIONS!!!!!!😰😰😥😪🤔(9+22-2^2)divided by (9-7)
1. 1 answer
2. 433 views
Hello, would anyone be willing to check several of my answers?Teresa _______ dio una camara a mi. me le nos <<< os Mi Tio Isaac
1. 4 answers
2. 2,922 views
In 2006, Soviet dissident Alexander Litvinenko was murdered when Polonium-210 was added to his tea; he died three weeks later.
1. 1 answer
2. 1,044 views
What qualities and actions define someone as a betrayer? Provide examples from history or literature to support your definition.
1. 0 answers
2. 1,393 views
An IQ is measured with scores that range from 0-200. The means is 100, the standard deviation is 15.Suppose you choose an SRS of
1. 1 answer
2. 456 views
Use the following information to answer the following questions. IQ is measured with scores that range from 0-200. Thea mean is
1. 1 answer
2. 499 views
3.In step 1, you found the volume (in cubic feet) of the main tank. If the maximum density of killer whales per cubic foot is
1. 1 answer
2. 2,079 views
Fix the sentence by following the apostrophe rule.Strong childrens education is essential to the progress of any nation a.
1. 5 answers
2. 2,226 views
Fix the sentence by following the apostrophe rule.The books story was pretty exciting, even though its cover was not. a. The
1. 1 answer
2. 1,797 views
Correct the following paragraph so that it uses the right words and includes appropriate apostrophes.Tomorrow, its supposed to
1. 4 answers
2. 2,293 views
Roosevelt is arguing that journalists must only attack misconduct when they have valid proof. They must not dig just for the
1. 2 answers
2. 1,222 views
In Bunyan's Pilgrim's Progress you may recall the description of the Man with the Muck-rake, the man who could look no way but
1. 1 answer
2. 1,103 views
Read the passage and answer the question that follows.from Gulliver's Travels, by Jonathan Swift My gentleness and good
1. 1 answer
2. 2,822 views
LC)What was the outcome of the Seven Weeks' War?Austria won and reasserted herself as leader of Germany. Prussia won and
1. 2 answers
2. 803 views
(LC)Who took a diplomatic approach towards Italian unification?A. Cavour****** B. Mazzini C. von Metternich D. Garibaldi
1. 3 answers
2. 758 views
(MC)Why was Otto von Bismarck nicknamed the "Blood and Iron Chancellor"?He suffered from an iron deficiency disease. He received
1. 2 answers
2. 854 views
Which of the following leaders would be considered the most anti-revolutionary? (5 points) MazziniCavour *********** Garibaldi
1. 1 answer
2. 529 views
Why did Garibaldi declare himself dictator of the Kingdom of the Two Sicilies?a. He wanted to rule the southern kingdom of
1. 2 answers
2. 682 views
Why was the Ems telegram of particular importance?(a) It started the Austro-Prussian War. (b) It ended the Austro-Prussian War.
1. 1 answer
2. 1,287 views
An observer (O) is located 660 feet from a tree (T). The observer notices a hawk (H) flying at a 35° angle of elevation from
1. 1 answer
2. 4,288 views
Given a cube with a volume of 18 cm3, what is the volume of a square pyramid that can fit perfectly inside the cube?this would
1. 2 answers
2. 2,279 views
Given a soda can with a volume of 21 and a diameter of 6, what is the volume of a cone that fits perfectly inside the soda can?
1. 1 answer
2. 2,941 views
Question 16 (Multiple Choice Worth 5 points)Please check: (05.05 LC)Which of the following is not considered a cause of the
1. 1 answer
2. 1,019 views
Please check my answer, and if you have any suggestions on how I can improve my statement, please let me know!evaluate the role
1. 2 answers
2. 589 views
If the same amount of heat is added to equal masses of each of the following substances, which substance will undergo the
1. 1 answer
2. 2,421 views
What does the fact that the Chavin and the Nazca both used underground aqueducts to transport water demonstrate about the
1. 5 answers
2. 2,943 views
A mass of aluminium metal is heated in a such in a such a way that is was exposed to air.(1.751g Al) A compound containing
1. 2 answers
2. 1,071 views
I need help with this assignment. My answers are included but don't feel confident. Can you help?Directions: Conjugate the
1. 5 answers
2. 567 views
Diagonal length of flooring is 2 feet longer than the length and 5 feet longer than twice the width what are the dimensions of
1. 1 answer
2. 388 views
Please check to see if I'm correct.I have to find the complete subject and simple subject in this sentence. There was one
1. 10 answers
2. 1,028 views
How do low literacy rates relate to the economy of a country?1. They are associated with lower levels of education, which reduce
1. 11 answers
2. 1,589 views

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