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What is the relationship between heat transfer and calorimetry?

Why does vinegar/acetic acid have a higher boiling point but lower surface tension than water? Which has the stronger intermolecular force then?

Calculate the pH of 0.0070 M butanoic acid, which is a monoprotic acid; Ka=1.52 x 10−5. Assume that the 5% approximation rule applies. Provide your answer to two places after the decimal?

How many g of sodium carbonate (molecular mass = 106) should be dissolved in 100 ml of water to make a 0.15 M solution?

Calculate ph of solution labelled 2.6 M NaOH?

What are adhesive forces?

What are the three differences between diffusion and effusion?

What causes electromagnetic energy? Where does it occur?

Why is NH4 ion formed?

How do you use Hess's Law to calculate enthalpy for this reaction?

Calculate the pH during a titration when 10.00mL of 0.098 M HCl has reacted with 9.35 mL of 0.02 M NaOH?

How do colloids size up?

When 50 mL of liquid water at 25 °C is added to 50 mL of ethanol (ethyl alcohol), also at 25 °C, the combined volume of the mixture is considerably less than 100 mL. What is a possible explanation for this?

How would I write 3/8^2.5 in radical form?

#"C"_2"H"_(4("g")) + "O"_"2(g)" → "CO"_"2(g)" + "H"_2"O"_"(g)"#
What is the coefficient of #"O"_2# in the balanced equation?

Math Help???! Please?

Given ∆H° for the following reactions:H2(g)+O2(g)➡️2H2O(l):Cu(s)+1/2 O2(g)➡️CuO(s)_What further data is needed, if any,for calculation of ∆H° for the following reactions?
CuO(s)+H2(g)➡️Cu(s)+H20(g)

What causes dipole interactions?

What volume of oxygen gas, at 30.0ºC and 1.50 atm, is produced when 75.0g of water is electrolyzed?
2H2O > 2H2 + O2

What two propeties affect the density of ocean water?

A 0.682 g sample of ICl(g) is placed in a 765 ml reaction vessel at 682 K. when equilibrium is reached in the reaction
2ICl(g) <=> I2(g) + Cl2(g)
0.0383 g of I2 is found in the mixture. What is Kc for this reaction?

A student wants to make 135. mL of 8.5 M KBr by diluting a 6.0 M KBr solution. How much of that solution should be used?

15.5g of potassium nitrate is dissolved in 200cm 3 of water.
How many moles of potassium nitrate are presented in 15.5g of the compound?

The reaction?
H2(g)+ I2(g)> 2HI(g)
may occur by the following mechanism:
k1(>)
I2<=>2I (fast, equilibrium)
k1(<)
I + I + H2 > 2HI (slow)
k2

When excavating a hole how do you calculate mass 1mx1mx1m in to cubic metres ?

In electrical insulators, why are the electrons not free to move unlike in conductors? Is it due to stronger bonds or attraction between nucleus and electron?

How many grams of S were used? What is the freezing point of S in degrees C?

How will we figure out the pressure on the ground exerted by a ballerina?

1 pts
Anna Litical and Noah Formula are doing The Cart and the Brick Lab. They drop a brick on a 17.9 kg cart moving at 12.19 m/s. After the collision, the dropped brick and cart are moving together with a velocity of 5.71 m/s?

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Suppose 10.000 grams of a hydrate were placed into a crucible and then heated until all the water was driven off. The mass of the anahydrate was 7.500 grams. Calculate the percent water in this hydrate?

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Titration help?

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how a saturated solution can become supersaturated ?

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Why does alcohol expand more than mercury?

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How is an emf induced by changing magnetic flux?

How to write the chemical formula for : ?
1) gold(III) acetate
2) tungsten(VI) bromate

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The equation of a circle is #x^2+y^2+8x−14y+56=0# .
What is the radius of the circle?

Why is the acidity order different in (a) and (b)?

A spring with a constant of #12 (kg)/s^2# is lying on the ground with one end attached to a wall. An object with a mass of #8 kg# and speed of #9 m/s# collides with and compresses the spring until it stops moving. How much will the spring compress?

Question #7ce68

Which type of bonds share electrons unequally, polar or nonpolar?

Why does the +I effect increases here?

If x = sqrt y/1+2y which of the following is equal to y?
Answers A=1x^2/x^2 , B= x^2/12x^2 , C=x^2/1+x^2, D= x^2/1+x^2,
E=x^2/3

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Explain the difference between polarity and electronegativity?

Question #77668

Are substituted biphenyls optically active?

How do the two differ  (1) adding water to acid and (2) adding acid to water?

How do you solve #2x  7+ 6x  9=  3x + 8 7x  12#?

Question #d2e31