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The length of the diagonal of a square is 22. What is the length of each side?

How do you simplify #sqrt(49)#?

How does the line emission spectrum of an element relate to these flame tests?

When is a rate of reaction negative?

Are there any ethical concerns in bacterial transformation?

What do you call the ability of an atom to capture an electron?

78 is 92% of what?

When a red filtered light is shown on a red flower, why does the leaves look black?

What is the period and amplitude for #2tan3(xpi/6)#?

How do Van der Waals forces arise?

Do adjectives modify nouns, pronouns, and often adjectives?

How do you evaluate #sin(pi/3) #?

Which use of pacing creates the most urgent mood?

How do you find the slope of #(6, 2), (5, 4)#?

How do you simplify # (x^2 + 2x + 3) + (x^2  5)#?

How do you solve #16.33= m + 9.2#?

Annelids are considered closely related to mollusks. How are they different?

The types of bonding present in copper wire and nacl respectively are?

The linear momentum of a particle of mass 1kg and kinetic energy 2J?

What is the product of 3a(8a6b)?

How do you translate "four subtracted from three times a number B" into a mathematical expression?

Does 9p3t5p2t=4pt ?

A Titan rocket is 80 feet high. For his science project, Joe will build a scale model of the rocket. How tall will his model be if he uses the scale 1 inch = 5 feet?

Oxygen gas is 21 % of Earth’s atmosphere. If the atmospheric pressure is 439mmHg, what is the partial pressure of oxygen at that location?

Find the total thickness of two pieces of wood that a carpenter glued together if one is 5/16 in and the other is 7/8 inch thick?

If an elephant were chasing you, its enormous mass would be very threatening. But if you zigzagged, the elephant's mass would be to your advantage. Why?

How can I draw an orbital diagram for chloride ion?

If f(x)=3x^2 then f(2)=?

An aqueous solution is made by dissolving 25.0 grams of sodium sulfide in 317 grams of water.
The molality of sodium sulfide in the solution is m?

Which personal pronoun agrees with the antecedent in this sentence?

Which is true when comparing one mole of Cl2 (gas) to one mole of Ne (gas) at STP?
a. Chlorine has a greater mass.
b. Chlorine has a greater volume.
c. Neon has a greater mass.
d. Neon has a greater volume

A container consist up 25% oxygen 25% hydrogen and 50% nitrogen. The total pressure of the container is 60.0 atm. what is the partial Pressure of hydrogen in the container?

Which property of matter is same in liquid and gas state but different in solid state?

How do you factor #(x^ { 2}  4) + ( 10x + 3)#?

The correct method of finding the ph of a solution is to & why ?

If 9.8ml of sulphuric acid is dissolved in 1dm3 of solution then what is the molarity of the solution?

Given: Mg + 2 HCl > MgCl2 + H2
How many moles of HCl are needed to completely react with 7.0 moles of Mg?

Why should all solid be dissolved before transfer of the solution from the 250mL beaker to the volumetric flask?

How do lipids differ from other macromolecules?

What is heat in terms of molecular behavior?

What's the new pressure of a mixture of #CO# and #H_2#after the volume is halved?

Why is the boiling point of NH3 is greater than that of PH3??

What are endothermic vertebrates?

Why is graphite a good conductor of electricity but not diamond?

How do you find the slope intercept equation with slope 8 and y intercept (0,9)?

Tim and Todd are twins. At birth, Todd weighed 1#1/6# pounds more than Tim’s weight. If Todd weighed 7#2/3# pounds at birth, how much did Tim weigh at birth?

How do lipids relate to the food pyramid?

How would you simplify #(sqrt 5+4)(sqrt 51)#?

How do you solve #2x=7x+10#?

What is the coefficient in this algebraic expression?
7d + 2

Which is a mixture?
potassium metal
chlorine gas
potassium chloride
potassium and chlorine

Three elements, X, Y and Z, are in the same period of the Periodic Table.
The oxide of X is amphoteric, the oxide of Y is basic and the oxide of Z is acidic. Which of the following shows the elements arranged in order of increasing atomic number?

How do you solve #x(x^2 + 16) = 0#?

How is gas pressure changed?

How do you simplify the expression # abs(7)#?

What is #2 7/8 : 5/6#?

How do you solve #8^(x2) = 32^(x+10)#?

How do you find exact value of #sin (pi/ 6)#?

What is the square root of the difference between half a number and two thirds of a different number?