Friday

July 25, 2014

July 25, 2014

Total # Posts: 35

**maths**

simplify by removing radical signs and negative indices where ever they occur:- ¡Ì4 power -3/4

**Science -Check Answers-**

DrBob222 you're an idiot. The first is true and the second is a conductor

**Math**

Start with 1 and 2, and subtract (1+2) from the sum 26: 26 - (1+2) = 23. Now, since the largest number used will be 12 and we've just used 1 and 2, the remaining edge number must be 11: 23 - 12 = 11 So the first edge set is {1,2,11,12}, the next set is {1,3,10,12}, and the...

**Physics**

During a free kick at a soccer playoff game a 0.5 kg ball at the peak of the kick 16.6 m above the field had a kinetic energy of 35.4 J. How fast was the ball booted by the player on the field?

**Honors Physics**

0.5 kg ball at the peak of the kick 16.6 m above the field had a kinetic energy of 35.4 J. How fast was the ball booted by the player on the field?

**Physics**

The launching speed of a certain projectile is 9.8 times the speed it has at its maximum height. Calculate the elevation angle at launching.

**Physics**

The launching speed of a certain projectile is 9.8 times the speed it has at its maximum height. Calculate the elevation angle at launching.

**Physics**

The launching speed of a certain projectile is 9.8 times the speed it has at its maximum height. Calculate the elevation angle at launching.

**general physics**

The highest barrier that a projectile can clear is 18.8 m, when the projectile is launched at an angle of 59.0 ° above the horizontal. What is the projectile's launch speed?

**Math**

how can you go about in calculating vertical and horizontal asymptotes?

**English**

Yes, it is correct

**Chemistry**

How much of a 2.0 molar NaCl solution would you need to make 250 mL of a .15 molar NaCl solution?

**Economics**

Explain how an effective price ceiling affects buyers and how it affects sellers in a competitive market.

**chemistry**

how can i find pH using scientific notation? 1*10^1 1*10^2

**math**

800

**Chemistry **

C2H5OH + O2 -> C2H4O2 +H20 This reaction drastically changes the taste of wine, if 100.0 mL of wine initially contained 12.0 g of ethanol and after a period of time 4.00 g of acetic acid were detected, what percent of the ethanol had been converted?

**Chemistry**

Determine how many grams of active antacid ingredient AL(OH)3 would be necessary to neutralize the HCL in 50.0 mL of .0100 M HCL (an approximation of the conc. of HCL in the stomach) 3HCL9aq)+AL(OH)3(s)-> AlCL3 (aq) = 3H2O (L)

**Chemistry**

2MnO4-(aq) +5 H2O2 (aq) + 6H+(aq) -> 5 O2(g) + 2 (Mn2+(aq) = 8H2O (l) If a 25.00 ml sample of hydro peroxide required 25.25 ml of .353 M KMNo4 solution to react with all the hydrogen perozide what was the molarity of the hydrogen peroxide solution?

**Chemistry**

What volume of .300 M CaCl2 is needed to react completely with 40.00 Ml of .200 M H2PO4. according to the following equation 3 CaCl2 (aq) + 2 H3PO4 (aq)-> Ca3(po44)2 + 6 HCL (aq)

**Chemistry**

Thank you!

**Chemistry**

.220 mol per liter

**Chemistry**

0.255 g sample of H2C2O4 required 25.70 mL of NaOH to neutralize, what would you report as the molarity of NaOH solution? the reaction is as follows: H2C2O4(aq) +2 NaOH (aq) -> Na2C2O4(aq) +2 HOH (l)

**math**

What is 5,280 feet divided by 26 miles? 5th grade

**Chemistry**

What are all the resonance Structures of Carbon Tetraoxide?

**calc**

(e^x)e^x+1)/(e^x-1)=8

**precalc**

yes it is x squared

**6th grade science**

how come a chromosome is not visible in an onion cell

**Chem**

plz help :(

**Chem**

Hi everyone, I'm having problems with effective nuclear charge. Regarding these problems. Calculate Zeff for a valence electron in an oxygen atom. and Calculate Zeff for the 4s electron in a copper atom, . and Calculate Zeff for a 3d electron in a copper atom, Cu. Like for...

**5th grade**

What did Henry Hudson negotiate with his crew and the natives?

**5th grade-social studies**

How Hudson could have negotiated to improve his circumstances with his crew and the natives?

**5th grade-social studies**

How Hudson could have negotiated to improve his circumstances with his crew and the natives?

**science**

The number of letters that could represent an element is?

**climate graphs**

I need a climate graph of Rome Italy NOW! my homework is due next period!

**Physics**

Emily passes a soccer ball 9.7 m directly across the field to Kara, who then kicks the ball 11.7 m directly down the field to Luisa. What is the magnitude of the ball’s total displacement as it travels between Emily and Luisa? Answer in units of m 016 (part 2 of 2) 10.0 p...

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