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Blababa [14]
3 years ago
10

Quickly please! Which is a group of tissues that work together to carry out a common function?

Chemistry
2 answers:
loris [4]3 years ago
8 0
Organ is the answer
Afina-wow [57]3 years ago
7 0
The organs work together:)
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Can someone help me with this?​
denis-greek [22]

Answer:

protons=electrons=9(atomic number)

Neutrons=19-9=10(math number-atomic number)

7 0
3 years ago
List three possible results of a double replacement reaction
Naddik [55]
1. two compounds form
2. precipitate forms
3. ions exchanged between the two reactants
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3 years ago
Draw the product formed when the structure shown below undergoes solvolysis in ch3ch2oh with heat.
mars1129 [50]

structure is attached below

7 0
3 years ago
whats the specific heat of an unknown substance if the addition of 800 joules of heat energy caused a 30 gram sample to warm fro
Troyanec [42]

 The specific heat capacity of unknown  substance  is 1.333 g/j/°c


  <u><em> calculation</em></u>

 Specific heat capacity is calculated using  Q= MCΔT  formula

where;

Q(heat)= 800 j

M(mass) = 30 g

C(specific heat  capacity) =?

ΔT( change in temperature)  = 40°c - 20°c = 20°c

make C  the subject of the formula  by diving both side of the formula by MΔT

C  is therefore = Q/MΔT

800j / 30 g x  20°c = 1.333 j/g/°c

7 0
3 years ago
A gas has a volume of 27.5 L at 302 K and 1.40 atm. How many moles are in the sample of gas?
ioda

Answer:

1.55 mol  

Step-by-step explanation:

We can use the <em>Ideal Gas Law</em> to solve this problem.

pV = nRT     Divide both sides by RT

 n = (pV)/(RT)

Data:

p = 1.40 atm

V = 27.5 L

R = 0.082 06 L·atm·K⁻¹mol⁻¹

T = 302 K

Calculations:

n = (1.40 × 27.5)/(0.082 06 × 302)

  = 1.55 mol

6 0
3 years ago
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