3 years ago

What tool does the US government use to keep track of inflation throughout the years?

Chemistry

2 answers:

Alchen [17]3 years ago

3 0

The answer is d the inflation scale

QveST [7]3 years ago

3 0

B. The Consumer Price Index

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Calculate the molarity of 139 grams of sucrose, C12H22O11, in 2.60 liters of solution.

Allisa [31]

Answer:

to calculate the molarity of the said sucrose,

firstly calculate the moles

which is = Molecular weight of C12H22O11 = 342g/mol

then

moles = 139/342

= 0.41 moles

to calculate Molarity now

Molarity= moles of the solute/volume of solution in liter

=0.41/2.60

=0.158M

Explanation:

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3 years ago

Question 6 of 10

Ratling [72]

B reactant +product+reactant+Product

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1 year ago

The Prandtl number, Npr, is a dimensionless group important in heat transfer calculations. It defined as Cuk, where C, is the he

VARVARA [1.3K]

Answer:

The Prandlt number for this fluid is 1630.

Explanation:

The Prandlt number is defined as:

$Pr=\frac{C_p\mu}{k}$

To compute the Prandlt number for this case, is best if we use the same units in every term of the formula.

$\mu=1936\frac{lb}{ft*h}*\frac{1000g}{2.205lb}*\frac{3.281ft}{1m}*\frac{1h}{3600s} \\ \\\mu=800 \frac{g}{m*s}$

Now that we have coherent units, we can calculate Pr

$Pr=\frac{C_p\mu}{k}=\frac{0.583*800}{0.286}= 1630$

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2 years ago

5. Complete and balance an equation for each reaction:

Kipish [7]

CaI₂ + Hg(NO₃)₂ --------->HgI₂ + Ca(NO3)2

2Al + 3Cl₂ --------->2AlCl3

Ag + HCl ------->AgCl + H2

C2H2 + 5O2 --------> 4CO2 + 2H2O

MgCl₂ --------->Mg + Cl2

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2 years ago

PLEASE HELP ME ANSWER

maks197457 [2]

Answer: the second one multiplication

Explanation:

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2 years ago