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A person drops a stone from a bridge. How high is the bridge if they hear the splash 4 seconds later. Assume the speed of sound
1. 1 answer
2. 725 views
what is the morality of a solution made by dissolving 1.00g of sodium hydroxide, NaOH in 100 mL of water
1. 1 answer
2. 497 views
what is the morality of a solution made by dissolving 1.00g of sodium hydroxide, NaOH in 100 mL of water
1. 1 answer
2. 939 views
what is the morality of a solution made by dissolving 1.00g of sodium hydroxide, NaOH in 100 mL of water
1. 1 answer
2. 631 views
one of the major U.S. tire makers wishes to review its warranty for their rainmaker tire. The warranty is for 40,000 miles. The
1. 1 answer
2. 1,507 views
An elastic cord is 69 {\rm cm} long when a weight of 79 {\rm N} hangs from it but is 90 {\rm cm} long when a weight of 170 {\rm
1. 1 answer
2. 487 views
In the figure , suppose C_1 = C_2 = C_3 = 18.0 <units>\mu F</units>.If the charge on C_2 is Q_2 = 33.0 <units>\mu C</units>,
1. 1 answer
2. 372 views
A rectangle is 80 cm long and 20 cm wide. Find, to the nearest degree, the acute angle formed at the intersection of the
1. 1 answer
2. 1,786 views
What is the difference in blood pressure (mm-Hg) between the top of the head and bottom of the feet of a 1.008 m-tall person
1. 1 answer
2. 1,427 views
The U.S army's parachuting team, the Golden Knights, are on a routine jumping mission over a deserted beach. On a jump, a 65 kg
1. 3 answers
2. 2,712 views
A tiger leaps horizontally from a 5.5 m high rock with a speed of 3.1 m/s. How far from the base of the rock will she land?
1. 2 answers
2. 871 views
Determine the coordinates of the point of intersection of the two perpendicular lines that intersect on the y-axis and are both
1. 3 answers
2. 1,319 views
Considering that a researcher can test at the <p = .05 (95%), p = .01 (99%), or p = .001 (99.9%) level for statistical
1. 1 answer
2. 880 views
help me unscramble iritoncf
1. 2 answers
2. 905 views
Given a 10.0g sample of MgCO3*5H2O, what weight of anhydrous magnesium carbonate can be obtained after driving off the water?84.
1. 3 answers
2. 930 views
Given a 10.0g sample of MgCO3*5H2O, what weight of anhydrous magnesium carbonate can be obtained after driving off the water?The
1. 1 answer
2. 1,245 views
CaSO4.2H2O ==> CaSO4 + 2H2Omoles CaSO4.2H2O = 15.00 g x (1 mole CaSO4.2H2O/172.172) = 0.08712 moles. moles CaSO4 = same. grams
1. 2 answers
2. 1,465 views
if you heat 15.00g of the hydrate CaSO4*2H20, and drive off the water, what is the weight of the anhydrous salt remaining?How do
1. 3 answers
2. 1,560 views
calculate the percent water in CaSO4*2H2020.9%?
1. 1 answer
2. 1,155 views
on heating the hydrate CaSO4*2H2O, how many moles of water should be driven off per mole of hydrate?1 mole?
1. 2 answers
2. 2,684 views
A race car accelerates from rest at 5.7m/s squared. how fast will it be going at the end of that time? i need the abc method...(
1. 1 answer
2. 441 views
Struggling to answer completely and logically, please critique the below:Question: What were the similarities and differences
1. 1 answer
2. 645 views
solve the inequalityx+3/x-2 less then or equal to 0
1. 1 answer
2. 316 views
I'm confused as how to find the current for a circuit with both parallel and series resistors?R1 = 2 Ù R2 = 5 Ù R3 = 11 Ù R4
1. 4 answers
2. 657 views
ii) What is the formula of 1, 3-butadiene
1. 1 answer
2. 446 views
I need help with unscrambling these letters into 2 words ecnoevprmisrirtam.only hint it has to do with canada.
1. 1 answer
2. 566 views
As a project manager, you are looking forward to completing your current project andthen taking a European vacation with your
1. 1 answer
2. 665 views
1.2g projectil e shot horiz. at a speed of 105m/s off a 124m high cliff.a) determine time taken by the projectile to return to
1. 1 answer
2. 426 views
what instrument is used to measure water vapor content of air?
1. 3 answers
2. 2,227 views
Determine whether the following are endothermic or exothermic.2H2O2 (l) �¨ 2H2O(l) + O2(g) ∆H = -190 kj C(s) + H2O (g) �¨
1. 1 answer
2. 678 views
A 3.5 kg object is suspended from a spring of spring constant 725 N/m. Starting from the equilibrium position, the object has an
1. 1 answer
2. 564 views
what would happen if cytokinesis occured without mitosis???
1. 1 answer
2. 550 views
what are some chemical properties of pressure treated wood?
1. 1 answer
2. 496 views
Do Tariffs help us to maintain a favorable balance of trade and balance of payments?
1. 6 answers
2. 583 views
ABC is a right-angled triangle atB. AB=(3x+2)cm and BC=2CM.GIVEN THAT THE AREA OF THE TRIANGLE IS 85CM SQUARE FIND THE VALUE OF
1. 0 answers
2. 810 views
operating conditions 250-300 celcius and 50-100 atmospheres are consistent with the aims of achieving a high equilibrium yield
1. 0 answers
2. 520 views
What is a discriminant?m_s_n encarta dictionary it explains it well In quadradic equations of the form ax^2 + bx + c = 0, the
1. 0 answers
2. 471 views
I am having trouble finding the greatest common factor when there is a variable. I have these two problems I need help with.1.
1. 0 answers
2. 585 views

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