Answers created by Kayla

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How many atoms are there in 0.45 mol of aluminium?
What is the molarity of a solution that contains 0.00372 moles hydrochloric acid in $2.39 \times 10^{2}$ $2.39 times 10^2$ liters of solution?
Zirconium has an atomic number of 40. How many neutrons are there in an isotope of zirconium-92?
Question #1a111
What percentage does oxygen make up in the compound $M g S O_{4}$ $MgSO_4$ ?
How do you convert 3 miles to yards?
What is the formula weight of $M {g (B r O_{4})}_{2}$ $Mg(BrO_4)_2$ ?
How do you solve $ln x = - 7$ $lnx=-7$ ?
How do you solve $ln 4 x = 1$ $ln4x=1$ ?
How do you solve $ln x = - 3$ $lnx=-3$ ?
How do you solve $ln 2 x = 2.4$ $ln2x=2.4$ ?
How do you solve $12 - 12 n = 48$ $12-12n=48$ ?
How do you simplify $2^{4} \cdot 2^{5}$ $2^4*2^5$ ?
A container has a volume of $3 L$ $3 L$ and holds $16 m o l$ $16 mol$ of gas. If the container is expanded such that its new volume is $5 L$ $5 L$ , how many moles of gas must be injected into the container to maintain a constant temperature and pressure?
Question #79071
Question #d21dd
Question #dc60d
A container with a volume of $7 L$ $7 L$ contains a gas with a temperature of $420^{o} C$ $420^o C$ . If the temperature of the gas changes to $570^{o} K$ $570 ^o K$ without any change in pressure, what must the container's new volume be?
How do you simplify $w^{- 4} \times w^{7}$ $w^-4timesw^7$ ?
How do you simplify $y^{5} \times y^{2}$ $y^5timesy^2$ ?
How do you simplify $5^{2} \times 5^{3}$ $5^2times5^3$ ?
How do you simplify $500^{0}$ $500^0$ ?
What is the mass percent of hydrogen for $C_{3} H_{5} O H$ $C_3H_5OH$ ?
What the mass percent of aluminum in $A l {(O H)}_{3}$ $Al(OH)_3$ ?
A volume of 1500 milliliters is equal to how many liters?
What charge does a proton have?
If $\frac{13}{4} L$ $13/4 L$ of a gas at room temperature exerts a pressure of $16 k P a$ $16 kPa$ on its container, what pressure will the gas exert if the container's volume changes to $\frac{3}{8} L$ $3/8 L$ ?
How do you solve $- 2 r - 11 = 11$ $-2r - 11= 11$ ?
How do you solve $\frac{3 k - 7}{5} = 16$ $(3k-7)/5=16$ ?
The mass of a moon rock is 3.5 kilograms. What is the mass of the moon rock in grams?
How many molecules are in 2.00 moles of $N O_{2}$ $NO_2$ ?
What is 18yd converted to feet?
How do you solve $5 y + 13 = 18$ $5y+13=18$ ?
How do you solve $- 10 v - 6 = 3$ $-10v-6=3$ ?
How do you solve $4 m - 3 = 2$ $4m-3=2$ ?
How do you solve $12 y + 8 = 10$ $12y+8=10$ ?
What is Le Chatelier's principle in chemistry?
Fish can swim in depths as deep as 9.5 km. How many meters is this? How many mm?
How many millimeters are in an inch?
A regulation volleyball can weigh anywhere from 260 grams to 280 grams. In ounces, what is the least a volleyball can weigh?
The most a bowling ball can weigh is 7,258 grams. What is the most it can weigh when measured in pounds?
How do you convert 23 kilometers to meters?
How do you solve $- 9 k + 3 = 4$ $-9k+3=4$ ?
How do you solve $11 x - 5 = - 14$ $11x-5=-14$ ?
How do you solve $100 = 1.5 x + 55$ $100=1.5x+55$ ?
Question #0262a
What is the molar mass of ammonium carbonate?
How do you calculate the formula mass for each of the following compounds? (a) $C_{6} H_{12} O_{6}$ $C_6H_12O_6$ (b) $F e {(N O_{3})}_{3}$ $Fe(NO_3)_3$ ?
A container has a volume of $12 L$ $12 L$ and holds $14 m o l$ $14 mol$ of gas. If the container is compressed such that its new volume is $7 L$ $7 L$ , how many moles of gas must be released from the container to maintain a constant temperature and pressure?
If $8 L$ $8 L$ of a gas at room temperature exerts a pressure of $45 k P a$ $45 kPa$ on its container, what pressure will the gas exert if the container's volume changes to $9 L$ $9 L$ ?
If $18 L$ $18 L$ of a gas at room temperature exerts a pressure of $36 k P a$ $36 kPa$ on its container, what pressure will the gas exert if the container's volume changes to $14 L$ $14 L$ ?
A circle has a radius of 6 cm. What is its circumference?
What is the area of a circle with a radius of 3 cm?
How do you solve $x^{2} + 3 x + 2 = 0$ $x^2+3x+2=0$ using the quadratic formula?
How do you determine the molar mass of $H e$ $He$ ?
What is the molar mass of iron (III) oxide ( $F e_{2} O_{3}$ $Fe_2O_3$ )?
How do you solve $2 r^{2} + r - 14 = 0$ $2r^2+r-14=0$ using the quadratic formula?
How do you solve the equation $2 x^{2} + 5 x - 3 = 0$ $2x^2+5x-3=0$ by using the quadratic formula?
How do you solve $2 x^{2} + 11 x - 6 = 0$ $2x^2+11x-6=0$ using the quadratic formula?
If $\frac{17}{6} L$ $17/6 L$ of a gas at room temperature exerts a pressure of $24 k P a$ $24 kPa$ on its container, what pressure will the gas exert if the container's volume changes to $\frac{5}{4} L$ $5/4 L$ ?
How do you calculate the atomic mass of copper?
Question #aea28
How do you explain Le Chatelier's principle?
If $\frac{9}{7} L$ $9/7 L$ of a gas at room temperature exerts a pressure of $8 k P a$ $8 kPa$ on its container, what pressure will the gas exert if the container's volume changes to $\frac{5}{4} L$ $5/4 L$ ?
Question #1414a
A sample of neon has a volume of 75.8 at STP. How many moles are present?
Question #8edc0
What is the formula mass for $S r {(N O_{3})}_{2}$ $Sr(NO_3)_2$ ?
If a 40 kg rock fell from a cliff and had a speed of 31.3 m/s when it hit the ground, what is its kinetic energy?
Question #64165
A gas is placed in a piston whose volume was $19.7 \cdot L$ $19.7*L$ under a pressure of $0.95 \cdot a t m$ $0.95*atm$ . If the volume were reduced to $22.5 \cdot L$ $22.5*L$ , what resultant pressure would develop?
How do you find the atomic mass of calcium?
A sample of glass that has a mass of 6.0 g gives off 12 J of heat. If the temperature of the sample changes by 4.0°C during this change, what is the specific heat of the glass?
What is the temperature change in 224 g of water upon the absorption of 55 kJ of heat, the specific heat of water is 4.18 J/g °C?
Question #d638b
A container has a volume of $3 L$ $3 L$ and holds $18 m o l$ $18 mol$ of gas. If the container is expanded such that its new volume is $6 L$ $6 L$ , how many moles of gas must be injected into the container to maintain a constant temperature and pressure?
What mass of water will change its temperature by 3 C when 525 J of heat is added to it? The specific heat of water is 4-.8 J/gC
How would you explain isothermal expansion?
What is isothermal expansion?
Question #26591
In an exergonic reaction, what is the $DeltaG$ ?
The [ $H^+$ ] ( $H^+$ concentration) in a solution is $1 x 10^-8$ M. What is the pH of the solution?
A container has a volume of $18 L$ and holds $18 mol$ of gas. If the container is expanded such that its new volume is $54 L$ , how many moles of gas must be injected into the container to maintain a constant temperature and pressure?
What is the density of a $36$ $g$ object with a volume of $15$ $cm^3$ ?
What is the molar mass of helium?
How do you calculate the density of a material that has a mass of 52.457 g and a volume of 13.5 cm^3?
A container has a volume of $2 L$ and holds $1 mol$ of gas. If the container is expanded such that its new volume is $12 L$ , how many moles of gas must be injected into the container to maintain a constant temperature and pressure?
A container has a volume of $5 L$ and holds $1 mol$ of gas. If the container is expanded such that its new volume is $12 L$ , how many moles of gas must be injected into the container to maintain a constant temperature and pressure?
If $18 L$ of a gas at room temperature exerts a pressure of $15 kPa$ on its container, what pressure will the gas exert if the container's volume changes to $5 L$ ?
A container has a volume of $19 L$ and holds $6 mol$ of gas. If the container is compressed such that its new volume is $5 L$ , how many moles of gas must be released from the container to maintain a constant temperature and pressure?
If $24 L$ of a gas at room temperature exerts a pressure of $8 kPa$ on its container, what pressure will the gas exert if the container's volume changes to $8 L$ ?
If $8 L$ of a gas at room temperature exerts a pressure of $28 kPa$ on its container, what pressure will the gas exert if the container's volume changes to $7 L$ ?
What is the density of a substance with a mass of 5 g and a volume of 10cm^3?
If $2 L$ of a gas at room temperature exerts a pressure of $28 kPa$ on its container, what pressure will the gas exert if the container's volume changes to $7 L$ ?
A container has a volume of $21 L$ and holds $27 mol$ of gas. If the container is compressed such that its new volume is $18 L$ , how many moles of gas must be released from the container to maintain a constant temperature and pressure?
If $9 L$ of a gas at room temperature exerts a pressure of $15 kPa$ on its container, what pressure will the gas exert if the container's volume changes to $5 L$ ?
If $2 L$ of a gas at room temperature exerts a pressure of $35 kPa$ on its container, what pressure will the gas exert if the container's volume changes to $12 L$ ?
The mass of a diamond is $1.76$ $g$ . The volume is $0.5$ $cm^3$ . What is the density of the diamond?
How do you solve $p+ 19= 6$ ?
How do you solve $15+ r = 71$ ?
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