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3 years ago

My car is 10.4 feet long. how many inches is that

Chemistry

2 answers:

In-s [12.5K]3 years ago

7 0

Answer:

124.8 inches

Explanation:

egoroff_w [7]3 years ago

3 0

124.8 inches! Hope this helped! :D

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Which of the following elements is a transition metal?

GenaCL600 [577]

Answer:

Scandium

Titanium

Vanadium

Chromium

Manganese

Iron

Cobalt

Nickel

Copper

Zinc

Yttrium

Zirconium

Niobium

Molybdenum

Technetium

Ruthenium

Rhodium

Palladium

Silver

Cadmium

Lanthanum

Hafnium

Tantalum

Tungsten

Rhenium

Osmium

Iridium

Platinum

Gold

Mercury

Actinium

Rutherfordium

Dubnium

Seaborgium

Bohrium

Hassium

Meitnerium

Darmstadtium

Roentgenium

Copernicium

Explanation:

all of those are transition metals lol

5 0

3 years ago

Read 2 more answers

1. The force that pulls the atmosphere toward Earth

Gre4nikov [31]

Answer:

Gravity :)

Explanation:

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2 years ago

Wastewater from a cement factory contains 0.280 g of Ca2+ ion and 0.0220 g of Mg2+ ion per 100.0 L of solution. The solution den

faltersainse [42]

Answer: The concentration of $Ca^{2+}\text{ and }Mg^{2+}$ ions are 2.797 ppm and 0.212 ppm respectively.

Explanation:

To calculate the mass of solution, we use the equation:

$\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}$

Volume of gold = 100 L = 100000 mL (Conversion factor: 1 L = 1000 mL)

Density of gold = 1.001 g/mL

Putting values in above equation, we get:

$1.001g/mL=\frac{\text{Mass of solution}}{100000mL}\\\\\text{Mass of solution}=1.001\times 10^5g$

To calculate the concentration in ppm (by mass), we use the equation:

$ppm=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 10^6$

Calculating the concentration of calcium ions:

Mass of $Ca^{2+$ ions = 0.280 g

Putting values in above equation, we get:

$ppm(Ca^{2+})=\frac{0.280g}{1.001\times 10^5}\times 10^6=2.797ppm$

Calculating the concentration of magnesium ions:

Mass of $Mg^{2+$ ions = 0.0220 g

Putting values in above equation, we get:

$ppm(Mg^{2+})=\frac{0.0220g}{1.001\times 10^5}\times 10^6=0.212ppm$

Hence, the concentration of $Ca^{2+}\text{ and }Mg^{2+}$ ions are 2.797 ppm and 0.212 ppm respectively.

7 0

3 years ago

1. Find the student's percent error for the density of a peanut. The student measured the density to

mash [69]

Answer:

Å˜Í„´‰

Explanation:

´˛∏Òˆ˜ÅˇˆØ˜ i made the answer a secret code

8 0

3 years ago

A liquid has a mass of 40.24g and a volume of 50.0mL. What is its density?

Musya8 [376]

P=m/V

m=40.24 g
V=50.0 mL=50.0 cm³

p=40.24/50.0=0.8048 g/cm³

7 0

3 years ago

My car is 10.4 feet long. how many inches is that​

My car is 10.4 feet long. how many inches is that