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Questions Asked on July 1, 2018

You need to make a .300 M solution of NiSO4 aq. Calculate the mass of NiSO4 6H2O you should put into a .100-L volumetric flasl__
1. 1 answer
2. asked by lens
3. 822 views
A smokestack is 150feet high. A guy wire must be fastened to the stack 40 feet from the top. The guy wire makes an angle of
1. 2 answers
2. asked by Tia
3. 2,953 views
Find the real zeroes of the polynomial:f(x)=2x(x+5)^2-8x I know you can pull the factors from the leading coefficient and the
1. 1 answer
2. asked by Markus Dotrice
3. 632 views
A calorimeter is filled with 250.0 g of water at 24.6oC. A 60.0 g sample of a metal at 100.0 oC is dropped in this calorimeter
1. 1 answer
2. asked by william
3. 754 views
What volume of 15.00 M CaCl2 solutions is needed to make 3.000 gallons of 5.500 M CaCl2 solution ?
1. 1 answer
2. asked by william
3. 508 views
Consider the polar curve: r=3cos(3ϴ)a) Find the area of the first leaf of the graph. -Thank you.
1. 1 answer
2. asked by Dalal
3. 763 views
If f(×)= 3x^2/×-2, then find f(4)
1. 1 answer
2. asked by Sophia
3. 399 views
Which of the following social structures is NOT reflected in the act of a wife adopting her husband’s name and foregoing her
1. 1 answer
2. asked by kim
3. 524 views
The time period of a satellite in an orbit around the earth is 90 minutes. What isthe kinetic energy, potential energy and the
1. 1 answer
2. asked by Hla Min Naing
3. 1,112 views
(199+8799+687997345-852)
1. 2 answers
2. asked by Zakade
3. 388 views
Harry has 0.6 of his marbles to his younger bro and 0.5 of the remainder to his cousin. Harry has 36 marbles left. How many
1. 1 answer
2. asked by Sarah
3. 1,275 views
60% chocolates in a CADY chocolate box are round shaped and rest are square shaped.30% of the chocolates are in that box are
1. 1 answer
2. asked by tina
3. 794 views
Can someone give me a hand? Here's what i have so far:Use the intermediate value theorem to determine if the function:
1. 1 answer
2. asked by Kriss
3. 442 views
A golfer has 12 golf shirts in his closet. Suppose 9 of these shirts are white and the others blue. He gets dressed in the dark,
1. 6 answers
2. asked by tasneem
3. 3,127 views
5x+23Use the commutative property of multiplication to write an equivalent algebraic expression.
1. 1 answer
2. asked by teetee
3. 1,282 views
Two electrons are fiXed 2 cm apart .another eleCtron is shot from infinity and stops midway between the two .what is the initial
1. 1 answer
2. asked by Anonymous
3. 697 views
Four masses m1 = 1kg, m2 = 2kg, m3 = 3kg and m4 = 4kg are at the corners of asquare of sides 4cm. What is the gravitational
1. 2 answers
2. asked by Hla Min Naing
3. 1,886 views
A ray of light shines on a mirror. The angle between the incident ray and the mirror is 65 degree.What is the total angle turned
1. 1 answer
2. asked by zhorab
3. 820 views
HCl(aq)+Li2CO3(aq)→Express your answer as a chemical equation. Identify all of the phases in your answer. Enter noreaction if
1. 2 answers
2. asked by Jerry
3. 4,284 views
A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 51.0 m/s and returns the shot with the ball
1. 1 answer
2. asked by Flor
3. 3,538 views
The rate constant for the rxn of hydrogen reacting with iodine to form hydrogen iodide is 2.7 X 10^-4 L/mol*s at 600. K and 3.5
1. 1 answer
2. asked by Ceamus Angelina
3. 580 views
Radioactive iodine-131 decays (beta emitter) to form Xenon-131. Iodine-131 has a half-life of 8.07 days. If a thyroid gland
1. 2 answers
2. asked by Ceamus Angelina
3. 1,082 views
The half-life of the following first order reaction is 231 seconds. What percent of the original concentration of nitrite ion
1. 1 answer
2. asked by Ceamus Angelina
3. 580 views
The following reactions is a first order reaction with respect to nitrite ion and its rate constant is 0.0030/s. In a solution
1. 1 answer
2. asked by Ceamus Angelina
3. 738 views
If perimeter of a rectangle is 14/8/15 m and its length is 4/2/3m find its breadth.
1. 2 answers
2. asked by Kanika
3. 1,395 views
Given the following equations:2 H2O2 (aq) → 2 H2O (l) + O2 (g) and C2H4 (g) + 3 O2 (g) → 2 CO2 (g) + 2 H2O (l) The first
1. 2 answers
2. asked by april
3. 2,116 views
Write the total ionic and the net ionic equations for the following:3 H2 (g) + 2 AuCl3 (aq) → 6 HCl (aq) + 2 Au (s)
1. 1 answer
2. asked by april
3. 965 views
Determine whether a reaction will take place in the following and write a complete balanced equation: You must include phase
1. 1 answer
2. asked by april
3. 649 views

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