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soldier1979 [14.2K]
3 years ago
13

do you think that the continental plates continue to move across the surface of the earth? what evidence do you have to support

this thought
Chemistry
1 answer:
cestrela7 [59]3 years ago
5 0
Yes I think & I Belive it moves across the surface
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Jordan's puppy has a mass of 5480 milligrams , what is the puppy's mass in grams ?
Vesnalui [34]
5480milligrams=5.47×10^1grams

5480×10^-2

5.480×10^(-2+3)

5.48×10^1grams
5 0
3 years ago
“Aqueous calcium hydroxide reacts with carbon
bulgar [2K]

Answer:

B. Ca(OH)2(s)+CO2(aq)-CaCO3(s)+H2O(aq)

6 0
3 years ago
__CH4+__CL2> __CCL4+__HCL
tatyana61 [14]

Answer:

CH4+4Cl2->CCl4+4HCl

6 0
3 years ago
Define Titanium and what it is used for
Kaylis [27]
Chemical element of atomic number 22, a hard silver-gray metal of the transition series, used in strong, light, corrosion-resistant alloys.<span>These alloys are mainly </span>used<span> in aircraft, spacecraft and missiles because of their low density and ability to withstand extremes of temperature.</span>
8 0
3 years ago
How many liters of 0.305 M K3PO4 solution are necessary to completely react with 187 mL of 0.0184 M NiCl2 according to the balan
Mashutka [201]

Answer:

6.55 mL of K₃PO₄ are required

Explanation:

We need to propose the reaction, in order to begin:

2K₃PO₄ (aq) + 3NiCl₂(aq) →  Ni₃(PO₄)₂ (s) ↓ + 6KCl (aq)

Molarity = mol/L (Moles of solute that are contained in 1 L of solution.)

M = mol / volume(L).  Let's find out the moles of chloride:

- We first convert the volume from mL to L → 187 mL . 1L / 1000mL = 0.187L

0.0184 M . 0.187L = 0.00344 moles of NiCl₂

Ratio is 3:2. Let's propose this rule of three:

3 moles of chloride react with 2 moles of phosphate

Then, 0.00344 moles of NiCl₂ will react with (0.00344 . 2) /3 = 0.00229 moles of K₃PO₄

M = mol / volume(L) → Volume(L) = mol/M

Volume(L) = 0.00229 mol / 0.350 M = 6.55×10⁻³L

We convert the volume from L to mL → 6.55×10⁻³L . 1000mL /1L = 6.55 mL

5 0
3 years ago
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