y at 25 °C of Zn(OH), in pure water and in a 0.0140M ZnSO4 solution. You'll find K's, data sp nswers to 2 significant digits. ㅁ을 my ZnSO4 solution: 02 M ter: ㅁㅁ x10 *ㅁ ㅁㅁ x 5 ?

Q: A cyclist travels at a rate of (2.30x10^1) miles per hour. At this speed, how many minutes would it…

A: Speed of cyclist = 2.30 x 10 = 23 mi/hour Distance to be covered = 2.25 x 102 = 225 km Time to…

Q: A marble ball is placed on a scale and is found to have a mass of 32.2 g. If the radius of the…

A: Given: Mass of the marble ball (m) = 32.2 g, radius of the marble ball (r) = 1.2 cm, π = 3.14…

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A:

Q: Amaterial will float on the surface of a liquid if the material has a density less than that of the…

A: Given,

Q: A piece of metal that is a cube with sides of 1.66 cm has a mass of 69.000 g.  Calculate the density…

A: TO calculate the density of the metal, first of all we determine the volume of the metal cube.

Q: 7401 x 1047, when expressed correctly in scientific notation, would be written as ___ . 7.401x…

A:

Q: 1×10 -14 -8 = (6.4×10³ +x)x

A: Step 1: Given equation is:  1×10−14=(6.4×10−8+x)x x2+(6.4×10−8)x−10−14=0 ⇒x2+1086.4x​−10−141​=0 Tip:…

Q: What is the mass of a cylinder of lead with a radius of 1 centimeter and a height of 3 centimeters,…

A: The volume (V) of a cylinder is calculated using the following formula:     ............... (1)Where…

Q: If the price of gold is $1,254 per ounce and the exchange rate is $1 = €0.8925, how many Euros (€)…

A: It is based on basic unit conversion formula based solution. All you need to do is change 100 kg…

Q: You are given a bottle that contains 4.39 cm^3 of a metallic solid. The total mass of the bottle and…

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Q: The average density of whole milk is 1.034g cm^-3. What is its density in lb gal^-1?

A: Conversion required is,

Q: Employ the method of dimensional analysis to convert 1 cubic yard to tonnes of water. Assume a…

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Q: If the density of a piece of oak wood is 0.850 g/cm^3, will the item float or sink in pure water?

A:

Q: 20 Express the answer to this multi-step calcu- lation using the appropriate number of sig- nificant…

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Q: An electric current of 284.0 mA transports 680. µC of charge. Calculate the time this took. Be sure…

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Q: a piece of metal weighing 20.55g was immersed in water in a graduated cylinder, the initial volume…

A:

Q: If 16.1 grams of an unknown metal occupy 4.66 cm^3, how many grams of the metal will occupy 11.3…

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Q: The density of air at ordinary atmospheric pressure and 25 oC is 1.19 g/L. What is the mass, in kg,…

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Q: If the radius of the sun is 7.001×105  km, what is the average density of the sun in units of grams…

A: Density can be calculated as: Density=MassVolume

Q: convert 336.75 m/s^2 to miles per hour

A: 1 m/s2  = 2.237 miles/hour

Q: Convert (3.706x10^9) feet to zulbars (Zb).  Some conversions: 5280 feet = 1 mile; 1 furlong = 10…

A:

Q: 3.) Perform the following calculations. Express your answers in scientific notation using the…

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Q: The specific gravity of iron is 7.87 in the density of water at 4.00°C is 1.00 g/cm^3. You can use…

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Q: a marble is placed on a scale and is found to has a mass of 22.2g.if the radius of the marble ball…

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Q: A 76.00 pound flask of mercury costs $128.50. The density of mercury is 13.534 g/cm^3. Find the…

A:

Q: TV waves travel at the speed of light (“c”), roughly 3.00 x 108 m/s. How long does it take for a Tv…

A: Given: Speed of TV wave=Speed of light (“c”)= 3.00 x 108 m/s. Distance between the edge of our solar…

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Q: The density of mercury, the only metal to exist as a liquid at room temperature, is 104g/cm^3. What…

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Q: An electric current of 121.0 mA flows for 3.0 minutes. Calculate the amount of electric charge…

A: The charge 'Q' is defined by the product of the current and time.                              Q=It…

Q: What is the volume in liters of 5.085 pounds of gold? The density of gold is 1.93 g/cm^3. Express in…

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Q: 3. A student is using a 10 mL volumetric pipet to dispense water and wants to test how accurate the…

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Q: The density of bromine is 3.1g/cm^3. What is the mass of 17.20cm^3 of bromine with the correct…

A:

Q: mi/hr

A:

Q: Antarctica, almost completely covered in ice, has an area of 5, 500, 000m * i ^ 2 with an average…

A: Since the area of Antarctica = 5.5 X 106 mi2  And since 1 mi = 5280 ft  Hence area in ft2 = area in…

Q: Put into scientific notation  (7.6 x 10^18 ) + (2.2 x 10^18)   (3.3 x 10^ -3) (7.3 x 10^ -3 )

A: If two number has the same value of the ten raised to the power, then the two values can be added or…