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Questions (107)

Important points to include about preventing the download of malware:
1. 1 answer
2. 44 views
Important advice to include about spyware, viruses, and other types of malware:
1. 1 answer
2. 52 views
Attention Grabber Description:
1. 1 answer
2. 50 views
List ofAttention Grabber Description:
1. 1 answer
2. 50 views
To find which number is one thousand times larger than 2.3 x 10^2, you would do the following steps.a Change 1,000 to Scientific
1. 2 answers
2. 206 views
How many moles of NH3 are in a flask with a volume of 60.8 L at a pressure of 73 kPa and a temperature of 250°C?
1. 2 answers
2. 306 views
Determine the value of tan2θ when sinθ=12/13 and pi/2 < θ < pi
1. 2 answers
2. 310 views
The height (h) in centimetres of Shuntaro’s pogo stick from the ground as he jumps on it since s seconds have passed is
1. 4 answers
2. 503 views
Do I do sig figs for answers that are still needed for other calculations?For example, if I am calculating the molarity
1. 1 answer
2. 267 views
A countertop is 14 feet long and 4 feet wide.What is the area of the countertop in square meters? Use the conversion 1 foot =
1. 1 answer
2. 779 views
When solutions of H2SO4 and NaOH react, the balanced molecular equation is: H2SO4 (aq) + 2 NaOH(aq) Na2SO4(aq) + 2 H2O (I)How
1. 2 answers
2. 2,369 views
Angle ab&c measures 120 degrees. It is divided into two smaller angles, which are labeled x & y. The value of x is 4 times the
1. 1 answer
2. 509 views
How can a multiplication model help you solve problem 1
1. 1 answer
2. 1,029 views
At 2:00 pm a car's speedomoter reads 20 mph, and at 2:10 pm it reads 25 mph. Use the Mean Value Theorem to find an acceleration
1. 1 answer
2. 932 views
I think the answer is (e) but I'm not certain.In Drosophila melanogaster the genes for yellow body colour and white eye colour
1. 1 answer
2. 603 views
Marie has scores of 65,72,80,74, and 85 on five math tests. The final will count as two tests in determining each students
1. 1 answer
2. 591 views
What is physics
1. 1 answer
2. 409 views
For the system, H2(g) + X2(g) <--> 2HX(g), Kc = 24.4 at 300 K. A system was charged with 2.00 moles of HX in a 3.00 liter
1. 1 answer
2. 1,316 views
Order the volumes from least to greatest.1) 56.18 2) 43.75 3) 9 4) 10.92
1. 2 answers
2. 384 views
Read this sentence.For people who are more comfortable with just one method to do something, this can seem a bit much. Which is
1. 4 answers
2. 560 views
I'm trying to write a compare and contrast essay about animal cells and plant cells. I need differences and similarities between
1. 1 answer
2. 715 views
Selection 1There is good news and bad news about grizzly bears in the American West. The good news? Their numbers have been
1. 16 answers
2. 3,906 views
Which is the best display for the set of numbers of daily 911 calls made in a month, if you want to be able to identify the
1. 2 answers
2. 1,217 views
Which is the best display for the set of numbers of daily 911 calls made in a month, if you want to be able to identify the
1. 1 answer
2. 1,074 views
In which sentence about A Christmas Carol is the word meager used correctly?a) The Ghost of Christmas Future used his meager
1. 18 answers
2. 2,663 views
Where is most of the surface water on earth found?a) as freshwater in rivers b) as frozen water near the pole c) as groundwater
1. 9 answers
2. 4,387 views
What is the surface area of the given figure?Side: 26 Side: 28 Height: 10 Width: 36 a) 2,564cm^2 b) 2,276cm^2 c) 2,184cm^2
1. 18 answers
2. 7,281 views
Find the lateral area for the square pyramid.Height: 22 Base: 8 Side: 8 I know the answer, I just want someone to show me how to
1. 1 answer
2. 683 views
The time between a lighting flash and the following thunderclap may be used to estimate, in kilometers, how far away the storm
1. 4 answers
2. 870 views
Hello, I was just wondering what it means when something says "a white flower is crossed with a red flower"Could anyone please
1. 1 answer
2. 545 views
The graph below was drawn with output on the vertical axis and input on the horizontal axis. What does the graph indicate about
1. 18 answers
2. 2,679 views
In which of these lines is the meaning of the word "intercede" best expressed?A) the attacker interceded between the goal and
1. 2 answers
2. 869 views
How are the cultures of South America like the cultures in Mexico? How are they different?I just need one sentence of how they
1. 3 answers
2. 751 views
A person weighs 600 N on Earth. What is the person's mass?
1. 2 answers
2. 1,026 views
In the hydrogen atom, the distance between the electron and the proton is 5x10^-11m.a)Compute the magnitude of the gravitational
1. 2 answers
2. 1,075 views
Tom is sladding down a hill. His sled starts from rest, and undergoes a uniform acceleration of 2.0 m/s2 down the slope. What is
1. 2 answers
2. 1,188 views
After this ﬁrst encounter, the bird then turns around and ﬂies from the runner back to the ﬁnish line, turns around again
1. 0 answers
2. 1,188 views
a man swims at a speed of 50 m/min in stil water, swims 100m against the current and 100m with the current. if the difference
1. 0 answers
2. 636 views
How many kcal of heat energy are removed from the body with every 1 L of sweat?
1. 1 answer
2. 857 views
Multiply each expression.6(h-4) I know you multiply the numbers 6*4 but where do you go from there? I am so frustrated
1. 1 answer
2. 894 views
Pani says she should get $3 discount on the price of each shirt and $3 discount on the price of each pair of jeans. Part 1 write
1. 0 answers
2. 973 views
Please list five numbers that have 3, 5, and 7 as prime factors. Please help answer thanks
1. 5 answers
2. 707 views
Brandon has 32 stamps. He wants to display the stamps in rows, with the same number of stamps in each row. How many different
1. 3 answers
2. 1,743 views
Antonia is saving for a video game. On the first day, she saves two dollars in her piggy bank. Each day after that, she doubles
1. 10 answers
2. 2,412 views
The square tile shown has a side length of 10.5 inches. What power can you write to represent the area of the tile? Write the
1. 1 answer
2. 963 views
Hadley's softball team has a phone tree in case a game is canceled. The coach calls 3 players. Then each of those players calls
1. 4 answers
2. 1,051 views
how many liters of ethanol contain 1.5 kg of ethonal?
1. 1 answer
2. 1,918 views
2*6=4,4*1=7 8*3=1 find value of 5*5
1. 1 answer
2. 299 views
The state lottery claims that its grand prize is $1 million. The lucky winner will receive $50,000 upon presentation of the
1. 0 answers
2. 603 views
The state lottery claims that its grand prize is $1 million. The lucky winner will receive $50,000 upon presentation of the
1. 0 answers
2. 638 views
The state lottery claims that its grand prize is $1 million. The lucky winner will receive $50,000 upon presentation of the
1. 1 answer
2. 670 views
1. How do Fairhead and Leach explain the forest-savanna mosaic in West Africa?a) villagers planted trees and told stories about
1. 1 answer
2. 563 views
What effects do herding in East Africa and ranching in North America have on those two environments?
1. 1 answer
2. 545 views
how many grams of potassium chlorate must be used to produce 30.0g of oxygen?
1. 2 answers
2. 3,152 views
how many grams of potassium chlorate must be used to produce 30.0g of oxygen?
1. 1 answer
2. 482 views
You have been hired as an administrator in an ambulatory care setting. What factors would you expect to encounter and how would
1. 0 answers
2. 983 views
A tower is supported by a guy wire from the top of the tower to the ground 16 ft from its base. Thewire makes an angle of 62
1. 1 answer
2. 997 views
What is the greatest and least possible product you can make using the digits 1,3,5,6 and 7 in the multiplication problem below?
1. 2 answers
2. 888 views
change 85 kilograms to gramschange 45 meters to centimeters change 70 nanometers to meters
1. 0 answers
2. 441 views
Acceleration is F/SA=F/M this is: direct inverse not sure both direct &inverse
1. 0 answers
2. 724 views
determine the velocity of a toy jeep if it has a distance of 80 meters and a time of 8 seconds?
1. 1 answer
2. 669 views
force of a toy jeep if the mass=50kg & is traveling at 4m/s& the radius is 50 centimeters.
1. 0 answers
2. 775 views
Hello,I am looking at the subject of no-count nouns. Which says that it does not have a singular or a plural form. The school
1. 2 answers
2. 406 views
A stone thrown off a bridge 20 m above a river has an initial velocity of 12 m/s at an angle of 450 above the horizontal.a. What
1. 1 answer
2. 1,575 views
How can you find an unknown factor in a multiplication problem?Is the answer: divide the two numbers that you have?
1. 2 answers
2. 321 views
Justin had 44 dollars before spending n dollars on jeans. How much money remains
1. 1 answer
2. 741 views
A mutation has occurred in one chromosome of a spermatogonium. This mutation will show up in how many of the gametes produced
1. 1 answer
2. 735 views
Could someone walk me through this problem?6CO2 + 6H2O --> C6H12O6 + 6O2 partial pressure of CO2 is .26Torr, temp is 25 celsius,
1. 1 answer
2. 606 views
Having some confusion with this question....I have the answers, just not able to reach them.A flask of volume 5L is evacuated
1. 2 answers
2. 2,154 views
X(g) + 2 Y(g) + 2 Z(g) -->3 M(g) + 2 N(g)I've already found the orders for the following to be: X is 2nd, Y is 1st, Z is 0 and
1. 0 answers
2. 680 views
The hydrolysis of sucrose (C12H22O11) produces fructose and glucose (each C6H12O6). Two mechanisms are proposed:I) Step 1:
1. 0 answers
2. 764 views
For the first-order reaction A => 3 B + C, when [ A]0 = 0.014 mol·L-1, the concentration of B increases to 0.017 mol·L-1 in
1. 1 answer
2. 598 views
2A-->B+C given that the initial concentration of A is .022M and that at 69 s, the concentration of B increases to .0095M, what
1. 0 answers
2. 596 views
The half-life for the second-order reaction of a substance A is 55.8 s when concentration of initial A = 0.69 M. Calculate the
1. 3 answers
2. 511 views
I need to find the rate constant.I know that it takes 2A to make B, but I am mixed up on how to figure out how to find the
1. 1 answer
2. 417 views
When 442 mg of NO2 is confined to a 150. mL reaction vessel and heated to 300°C, it decomposes by a second-order process. In
1. 1 answer
2. 1,405 views
How much time is required to electroplate 6.530 µg of chromium from a potassium dichromate solution, by using a current of 118
1. 0 answers
2. 1,226 views
Determine the unknown quantity in the following cell at 298.15 K.Pt(s) | H2(g, 1.0 bar)| H+(pH = ?) || Cl -(aq, 1.0 mol·L-1)
1. 0 answers
2. 552 views
Pt(s) | H2(g, 2.0 bar) | H+ (pH = 3.0) || Cl -(aq, 0.85 mol·L-1)) | Hg2Cl2(s) | Hg(l)I need to calculate the voltage for the
1. 1 answer
2. 613 views
Pt(s) | H2(g, 2.0 bar) | H+ (pH = 3.0) || Cl -(aq, 0.85 mol·L-1)) | Hg2Cl2(s) | Hg(l)I need to calculate the voltage of the
1. 6 answers
2. 598 views
Pt | Fe2+ (6.4010-5 M), Fe3+ (0.0460 M) || Sn4+ (2.7010-4 M),Sn2+ (0.0750 M) | Pti need to calculate the voltage of the cell. I
1. 2 answers
2. 698 views
Given the elementary reaction:2 NOBr==>2 NO + Br2 k = 0.80 Which variables obtained for this reaction will produce a straight
1. 2 answers
2. 897 views
Gallium65, a radioactive isotope of gallium, decays by first order-kinetics. The half-life of this isotope is 15.2 min. How long
1. 1 answer
2. 4,149 views
trying to post a question, but it says I'm not allowed to post internet addresses--but I'm not. any ideas on this?
1. 4 answers
2. 474 views
Ive posted twice, but no one's answered yet...I could really use any kind of guidance--particularly for the 1st question :)1))
1. 3 answers
2. 956 views
1)) The following two half-cells are paired up in a voltaic cell. How will lowering the pH affect the E of the overall cell?C
1. 2 answers
2. 1,181 views
1)) The following two half-cells are paired up in a voltaic cell. How will lowering the pH affect the E of the overall cell?C
1. 0 answers
2. 505 views
H1+(aq) + Fe(s) ==> H2(g) + Fe2+(aq)I am trying to balance this equation...but I am not sure how to balance the H's. I have the
1. 1 answer
2. 895 views
For the following electrochemical cell, what is the correct, balanced reaction?Cu(s) | Cu2+(aq) || Ag+(aq) | Ag(s) A. Cu(s) +
1. 2 answers
2. 1,047 views
Use the data in this table to calculate the solubility of each sparingly soluble substance in its respective solution.(a) silver
1. 1 answer
2. 608 views
Use the data in this table to calculate the solubility of each sparingly soluble substance in its respective solution.(a) silver
1. 1 answer
2. 715 views
Suppose that two hydroxides, MOH and M'(OH)2, both have Ksp = 1.0 10-12 and that initially both cations are present in a
1. 2 answers
2. 2,289 views
I am confused about where I am going wrong here...Suppose that 1.331 g of impure barium hydroxide is dissolved in enough water
1. 1 answer
2. 914 views
Suppose that 0.483 g of an unknown monoprotic weak acid, HA, is dissolved in water. Titration of the solution with 0.250 M
1. 7 answers
2. 1,336 views
I have another similar problem. I have calculated everything given (Correctly), but I can't seem to get the right pH for the
1. 1 answer
2. 606 views
Suppose that 30.0 mL of 0.20 M C6H5COOH(aq) is titrated with 0.30 M KOH(aq). Refer to table 1 and table 2.(a) What is the
1. 3 answers
2. 723 views
Predict whether Fe(OH)2 will dissolve, precipitate, or do neither after:(a) water is added --> dissolve (b) Fe(OH)2 is added-->
1. 1 answer
2. 664 views
Given the equilibrium:HCN(aq) + H2O(l) ←→ H3O+(aq) + CN-(aq) ΔH >0; Ka = 4.0 x10-10 What happens to the concentration of
1. 1 answer
2. 5,374 views
Consider the gas-phase equilibrium A ⇌ B. In a series of experiments, different initialamounts of A and B are mixed together,
1. 1 answer
2. 780 views
Consider the gas-phase equilibrium A ⇌ B. In a series of experiments, different initialamounts of A and B are mixed together,
1. 1 answer
2. 747 views

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