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Leviafan [203]
3 years ago
6

What is the first stroke of a 4 stroke cycle?

Chemistry
2 answers:
lisabon 2012 [21]3 years ago
8 0

Answer:

A

Explanation:

its a because that is the first thing you do

Leno4ka [110]3 years ago
8 0

Answer:

Intake

Explanation:

It is the very first thing you do.

Figure 4: Four-Stroke Cycle In the first stroke, also known as the Intake Stroke or Induction, the piston travels from the top dead centre (TDC) to the bottom dead centre (BDC) with the intake valve open and exhaust valve closed. This creates a vacuum due to the increase in volume in the combustion chamber.

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"how many grams of calcium are consumed when 156.8 ml of oxygen"
Akimi4 [234]
Your question is incomplete. However, I found a similar problem fromanother website as shown in the attached picture.

To solve this problem, you must know that at STP, the volume for any gas is 22.4 L/mol. So,

Moles O₂: 156.8 mL * 1 L/1000 mL* 1 mol/22.4 L = 0.007 moles
Mass calcium: 0.007 mol O₂ * 2 mol Ca/1 mol O₂ * 40 g/mol Ca =<em> 0.56 g Ca</em>

3 0
3 years ago
The solubility of copper(i) chloride is 3.91 mg per 100.0 ml of solution. calculate ksp for cucl (cucl=99.00 g mol-1).
garri49 [273]
Convert  Mg  to  grams
1g =1000mg  what  about  3.91  Mg
=  3.91mg  x  1g/1000mg=  3.91  x10^-3 g
moles= mass/molar mass
that  is  3.91  x10^-3g  /99 g/mol=3.95 x10^-5moles
concentration=   moles  /  vol   in  liters

that  is  3.95  x10^-5/100  x1000=  3.94  x10^-4M

equation for  dissociation  of  CUCl=   CUCl---->  CU^+   +Cl^-

Ksp=(CU+)(CI-)
that  is  (3.95  x10^-4)(3.95  x10^-4)
Ksp=  1.56  x10^-7
3 0
3 years ago
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10 POINTS
Snowcat [4.5K]
E=hc/λ =6.626×10^-34×3 ×10^8 / 3×10^7 × 10^-9 = 6.626×10 ^-24J.
7 0
3 years ago
Antibiotics are a type of medicine that kills bacteria. Antibiotics can be used to fight bacterial infections. Which of the foll
AysviL [449]

Answer:

Antibiotics are strong medicines that treat bacterial infections. Antibiotics won't treat viral infections because they can't kill viruses. You'll get better when the viral infection has run its course. Common illnesses caused by bacteria are urinary tract infections, strep throat, and some pneumonia.

Explanation:

antibiotics can treat bacterial infections, such as:

   Most sinus infections.

   Strep throat.

   Urinary tract infections.

   Pneumonia.

   Most ear infections (otitis media)

   Nasty bacterial skin infections (impetigo)

plz mark brainliest

7 0
3 years ago
How many valence electrons are lost by Sr when forming SrI2?
Ostrovityanka [42]
Two
Hope this helped
5 0
3 years ago
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