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vovikov84 [41]
2 years ago
11

The ______ system produces and stores leukocytes and lymph.

Chemistry
2 answers:
-Dominant- [34]2 years ago
6 0

Answer:

Lymphatic

Explanation:

Kisachek [45]2 years ago
5 0

\mathrm{\bold Answer:}

\huge\boxed{\sf The~ lymphatic ~system}

\mathrm{\bold Explanation:}

\underline{\sf The~ primary ~function ~of ~the ~lymphatic ~system ~is ~to ~'transport ~lymph'.} \underline{\sf It~ produces~ and~ releases ~white ~blood ~cells, ~know ~as ~lymphocytes.} \underline{\sf The~ lymphatic ~system ~produces ~and ~stores ~leukocytes ~and ~lymph.}

\bold{\mbox Hope~ this ~helps! :)}

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The density of an unknown gas is found to be 4.12 g/L at standard temperature and pressure (STP). What is the molar mass of this
elena-s [515]
The   molar  mass of this gas  is  92.3 g/mol

  Calculation

By  use  ideal gas  equation PV =nRT  where
n=mole  p=pressure V= volume R =  gas constant  T=  temperature

n =  mass /molar  mass(MM)
substitute in the equation

PV =(mass/MM)RT
mass = density  x  volume(V)

Therefore  PV =(density xV/ MM) xRT

divide both side by  by V

P=  (density/Mm) xRT

making MM  the subject  of the formula

MM = densityPRT

At  STP = P= 1 atm,  R=  0.0821 L.atm/Mol.k  T =  273 K

MM is therefore = 4.12 g/l x   1 atm x 0.081  L.atm/mol.k  x    273 K = 92.3 g/mol

7 0
3 years ago
Read 2 more answers
Select True or False: The reaction of hydrogen chloride gas with propene will yield 1-chloropropane as the main product
kifflom [539]

Answer:

False

Explanation:

My first response got deleted by brainly so here, again

3 0
2 years ago
Sodium azide, NaN3, the explosive compound found in automobile air bags, decomposes according to the following equation: 2NaN3(s
shutvik [7]

Answer:

1.9 × 10² g NaN₃

1.5 g/L

Explanation:

Step 1: Write the balanced decomposition equation

2 NaN₃(s) ⇒ 2 Na(s) + 3 N₂(g)

Step 2: Calculate the moles of N₂ formed

N₂ occupies a 80.0 L bag at 1.3 atm and 27 °C (300 K). We will calculate the moles of N₂ using the ideal gas equation.

P × V = n × R × T

n = P × V / R × T

n = 1.3 atm × 80.0 L / (0.0821 atm.L/mol.K) × 300 K = 4.2 mol

We can also calculate the mass of nitrogen using the molar mass (M) 28.01 g/mol.

4.2 mol × 28.01 g/mol = 1.2 × 10² g

Step 3: Calculate the mass of NaN₃ needed to form 1.2 × 10² g of N₂

The mass ratio of NaN₃ to N₂ is 130.02:84.03.

1.2 × 10² g N₂ × 130.02 g NaN₃/84.03 g N₂ = 1.9 × 10² g NaN₃

Step 4: Calculate the density of N₂

We will use the following expression.

ρ = P × M / R × T

ρ = 1.3 atm × 28.01 g/mol / (0.0821 atm.L/mol.K) × 300 K = 1.5 g/L

5 0
2 years ago
1.00 L of gas at a standard temperature and pressure is compressed to 473mL. What is the new pressure of the gas?
Nadusha1986 [10]

Answer:

The pressure of the gas is 2.11 atm.

Explanation:

From the given,

V_{1}=1.00\,L

P_{1}=1\,atm

P_{2}=?

V_{2}=473\,ml=0.473\,L

P_{1}V_{1}=P_{2}V_{2}

(1)(1)=(0.473)(P_{2})

P_{2}=\frac{(1)(1)}{0.473}=2.11

Therefore, The pressure of the gas is 2.11 atm.

6 0
2 years ago
A student uses a dye to change the colour of his tee-shirt. he fills a metal bucket with water. When the bucket is heated, what
Tanya [424]

Answer:

The particles begin to vibrate faster and more.

Explanation:

Adding heat to matter increases the energy, thus creating more movement. Eventually, the bucket will melt, turning to a liquid. While it is a sold, it still has particle movement, just not enough to break volume or shape.

8 0
2 years ago
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