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4 years ago

How many grams are in 6.02 x 10^23 molecules of glucose C6H12O6?

Chemistry

2 answers:

astra-53 [7]4 years ago

4 0

198 g of Glucose Is the answer.

musickatia [10]4 years ago

3 0

180 grams the way to calculate this is to know the molar mass of each of the elements C6 means there are 6 carbon atoms carbons molar mass is 12 grams so 12*6=72grams of carbon. Hydrogens molar mass is 1 gram so 12 hydrogen atoms 12 grams. Oxygens molar mass is 16 grams so 16*6=96 grams add it all together gives molar mass. Molar mass is grams when using avogadros number you need to know elements atomic mass and have periodic table handy for these sorts of questions. Molar mass of an element is atomic mass only difference being one is in grams other in tiny atomic units.

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A sheet of gold weighing 8.8 g and at a temperature of 10.5°C is placed flat on a sheet of iron weighing 19.5 g and at a tempera

timofeeve [1]

Answer:

$T = 36.393\,^{\textdegree}C$

Explanation:

The contact between the sheet of gold and the sheet of iron allows a heat transfer until thermal equilibrium is done, which means that both sheets have the same temperature:

$-Q_{iron} = Q_{gold}$

$-(0.008\,kg)\cdot (452\,\frac{J}{kg\cdot ^{\textdegree}C} )\cdot (T-54.4\,^{\textdegree}C) = (0.0195\,kg)\cdot (129\,\frac{J}{kg\cdot ^{\textdegree}C} )\cdot (T-10.5\,^{\textdegree}C)$

$-(3.616\,\frac{J}{^{\textdegree}C})\cdot (T-54.4\,^{\textdegree}C) = (2.515\,\frac{J}{^{\textdegree}C})\cdot (T-10.5^{\textdegree}C)$

$-1.438\cdot (T - 54.4^{\textdegree}C) = T-10.5^{\textdegree}C$

$-1.438\cdot T +78.227^{\textdegree}C = T - 10.5^{\textdegree}C$

$2.438\cdot T = 88.727\,^{\textdegree}C$

The final temperature is:

$T = 36.393\,^{\textdegree}C$

8 0

3 years ago

Read 2 more answers

Which element has an atomic number of 16? a. oxygen (O) b. sulfur (S) c. germanium (Ge)

emmasim [6.3K]

Answer: Sulfur

Explanation:

3 0

3 years ago

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What is the potential energy of your 3 kg puppy that is sitting in the grass in your backyard?

lisov135 [29]

As we know that

P.E. = mgh

where,

P.E. = Potential energy of the object =?

m= mass of object= 3kg

g= acceleration due to gravity = 9.8 ms^-2

h = height between object and animal = 0 m

Then

P.E. = 3× 9.8 × 0 = 0 Joules or 0J

Have a luvely day!

6 0

2 years ago

PLEASE HELPPP. I'LL AWARD BRAINLIEST !!!!!

dsp73

Answer:

the properties of catalyst are

it remains unchanged after chemical reactions

it accelerate or deaccelerate the reaction without taking part in it

Explanation:

they are used to convert raw materials into useful one

catalyst are integral in making plastics

5 0

3 years ago

Which metal is more active than NI and less active than Zn?

Mademuasel [1]

Answer : The correct option is, (2) Cr (Chromium)

Explanation :

The reactivity series of metal are arranged of the reactivity from the highest to the lowest. Reactivity series is used to determine the products of the single displacement reactions. In the single displacement reaction, the most reactive metal displaces the least reactive metal.

From the given reactivity series we conclude that there are two metal (Mg and Cr) are more reactive metal than the Ni and there are two metal (Pb and Cr) are less reactive metal than the Zn. So, the Cr (Chromium) is the metal which is more active than Ni and less active than Zn.

Hence, the correct option is, (2) Cr

7 0

3 years ago

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