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Question #b9c49
How atoms of hydrogen are there in the formula $C_{2} H_{5} O H$ $C_2H_5OH$ ?
How do you calculate the molarity of 0.060 moles $N a H C O_{3}$ $NaHCO_3$ in 1500. mL of solution?
An element that has a low first ionization energy and good conductivity of heat and electricity. What is this element classified as?
How do you differentiate $f (x) = (x - 3 ln x) (cos x + 2 x)$ $f(x)=(x-3lnx)(cosx+2x)$ using the product rule?
A person gets cooler by perspiring. Is this a chemical or physical change?
Question #bcf6f
What is the difference between corrosion and erosion?
How do you simplify $\frac{{cos}^{2} x - 4}{cos x - 2}$ $(cos^2x-4)/(cosx-2)$ ?
Question #29222
What are eigenvectors and eigennumbers?
Question #678ec
A cone with a height of 6 and a volume of 18∏. Can you fine the radius?
What is $f (x) = \int e^{2 x - 1} - e^{1 - 2 x} + e^{x} d x$ $f(x) = int e^(2x-1)-e^(1-2x)+e^x dx$ if $f (2) = 3$ $f(2) = 3$ ?
The surface area of a cube is $486$ $486$ $i$ $i$ $n^{2}$ $n^2$ . What is the volume of the cube?
Is $f (x) = sin (x + \frac{3 π}{8})$ $f(x)= sin(x+(3pi)/8)$ increasing or decreasing at $x = \frac{π}{12}$ $x=pi/12$ ?
Question #82d07
What is the chemical formula for an ionic compound of potassium and oxygen?
How do you solve and graph the inequality $- 3 x - 1 < - 5 x + 5$ $-3x-1< -5x+5$ ?
How do you simplify 2 square root -49?
Question #d4070
How do you write $6.92 \cdot 10^{- 8}$ $6.92*10^-8$ in standard notation?
What is the maximum value of the function $y = 2 sin 3 x$ $y=2sin3x$ ?
How do you solve the quadratic $7 x^{2} + 5 = - 137$ $7x^2+5=-137$ using any method?
As a general rule, does the heart rate of an animal increase or decrease with size? Is there a certain pattern?
A spring with a constant of $5 \frac{k g}{s^{2}}$ $5 (kg)/s^2$ is lying on the ground with one end attached to a wall. An object with a mass of $1 k g$ $1 kg$ and speed of $12 \frac{m}{s}$ $12 m/s$ collides with and compresses the spring until it stops moving. How much will the spring compress?
How do you simplify $\frac{3}{4} n + 3 m - \frac{1}{3} n + \frac{1}{4} m$ $3/4n+3m-1/3n+1/4m$ ?
How do you find the zeros, real and imaginary, of $y = - x^{2} - 2 x - 1$ $y= -x^2-2x-1$ using the quadratic formula?
The point (-3,2) lies on a circumference whose equation is ${(x + 3)}^{2} + {(y + 1)}^{2} - r^{2} = 0$ $(x+3)^2+(y+1)^2-r^2 = 0$ , what is the radius of the circumference?
How do you write the linear equation $- 12 x + 8 y = - 32$ $-12x+8y=-32$ in slope-intercept form?
How do you write 19/25 as a percentage?
What kind of conic is defined by the equation $2 x^{2} + 2 y^{2} - 8 x + 12 y + 2 = 0$ $2x^2+2y^2-8x+12y+2=0$ ?
A sample of oxygen gas expands in volume from 1.6 L to 5.4 L at constant temperature. What is the work done in joules if the gas expands against a constant pressure of 0.80 atm?
How do you integrate $\int \frac{x^{2} - 1}{x^{\frac{3}{2}}} d x$ $int (x^2-1)/(x^(3/2))dx$ ?
Question #59a03
How do you solve the system of equations $13 x - 5 y = 20$ $13x - 5y = 20$ and $13 x - 5 y = 10$ $13x - 5y = 10$ ?
A man must mix some liquid fertilizer for his lawn. The instructions say to use 2 cups of chemical for every 1/2 gallon of water. How many cups of chemical will be needed for 13 gallons of water?
An experiment shows that a 252 mL gas sample has a mass of 0.433 g at a pressure of 760 mm Hg and a temperature of 34 degrees C. What is the molar mass of the gas?
How do you use the chain rule to differentiate $y = \frac{{sin}^{2} x}{cos x}$ $y=sin^2x/cosx$ ?
Given $f (x) = \sqrt[3]{x - 8}$ $f(x)=root3(x-8)$ how do you find f(-208) and f(8)?
An ionic bond occurs between what particles? t
A force of magnitude $F_{1}$ $F_1$ accelerates a body of mass $m$ $m$ from rest to speed $v$ $v$ . Another force $F_{2}$ $F_2$ accelerates a body of mass $2 m$ $2m$ from rest to a speed $2 m$ $2m$ . What is the ratio of the work done by $F_{2}$ $F_2$ to that of $F_{1}$ $F_1$ ?
How do you find the domain of $f (x) = \sqrt{\frac{1}{2} x - 10} + 3$ $f(x)=sqrt(1/2x-10)+3$ ?
How do you write 27/18 as a decimal?
I am very confused about anti-bonding orbitals, how they form? I mean when two atomic orbitals produce bonding orbital + anti-banding orbital?? Please clear my basics. I am really worried, please solve my problem
How do you find the local extremas for $f (x) = x e^{x}$ $f(x)=xe^x$ ?
How do you solve $- \frac{4}{7} + y = - \frac{2}{3}$ $-4/7+y=-2/3$ ?
How many seven–letter permutations can be formed from the letters of the word GIGGLES?
Question #7e7e4
I am very confused about anti-bonding orbitals, how they form? I mean when two atomic orbitals produce bonding orbital + anti-banding orbital?? Please clear my basics. I am really worried, please solve my problem
Question #b793d
How do you solve $236 = - 4 (- 8 v - 2) + 6 v$ $236= - 4( - 8v - 2) + 6v$ ?
Question #baea9
How to find instantaneous rate of change for $f (x) = 3 x^{2} + 4 x$ $f(x) = 3x^2+4x$ at (1, 7)?
How do you find the greatest common factor of 88, 66?
What happens to the density of rock as it cools?
What is the equation of the line that goes through $(0, 7)$ $(0, 7)$ and $(1, 9)$ $(1,9)$ in point-slope form?
During an athletics training session, Jenny runs 12 laps of a 400-meter track. She wants to run a total of 8 km. How many more laps does she need to run?
Question #7c363
How do you find the greatest common factor of 20, 16?
Is xenon reactive?
How many valence electrons does $N$ $N$ have?
How do you find the limit of $\frac{x - 3}{x^{2} + 4}$ $(x-3)/(x^2+4)$ as $x \to 1$ $x->1$ ?
How do you find the limit of $\frac{x}{sin x}$ $x/sinx$ as x approaches 0?
Question #a6cdc
What is the element with the lowest electronegativity value? How do you determine this?
It takes Joey $\frac{1}{16}$ $1/16$ of an hour to write one Thank You card. How many cards can he write in $\frac{3}{4}$ $3/4$ of an hour?
If the length of a side of a regular cube is 12 cm, how do you find its volume?
A model train with a mass of $4 k g$ $4 kg$ is moving along a track at $18 \frac{c m}{s}$ $18 (cm)/s$ . If the curvature of the track changes from a radius of $25 c m$ $25 cm$ to $42 c m$ $42 cm$ , by how much must the centripetal force applied by the tracks change?
How do you find the product of $2 \times 10^{- 4}$ $2times10^-4$ and $3.4 \times 10^{6}$ $3.4 times 10^6$ ?
How do you simplify $6.3 + (- 3.569)$ $6.3 + (-3.569)$ ?
What is the value of $x$ $x$ in $g (x) = - 97.2 x - 83.2$ $g(x)=-97.2x-83.2$ when $g (x) = - 38$ $g(x)=-38$ ?
How do you solve $11 + | - 2 + x | = 30$ $11+ | - 2+ x | = 30$ ?
How can I balance this equation? ____ $K C l O_{3} \to$ $KClO_3 ->$ ____ $K C l +$ $KCl +$ ____ $O_{2}$ $O_2$
Question #f0b84
How many unpaired electrons are in a mercury atom?
Question #4821a
How do you multiply ${(- 4 i)}^{3}$ $(-4i)^3$ ?
What is the final temperature when 100 g of water at 25 $^{o}$ $"^o$ C is mixed with 75 g of water at 50 $^{o}$ $"^o$ C?
What is $f (x) = \int - x^{2} + x - 4 d x$ $f(x) = int -x^2+x-4 dx$ if $f (2) = - 1$ $f(2) = -1$ ?