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3 years ago

What is 2000lbs in 1 ton

Chemistry

1 answer:

liq [111]3 years ago

3 0

You've answered your question it is 1 ton

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Problem Page Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equation. Be sure t

Helga [31]

Answer:

CaCl2 + H2O Ca2+(aq) + 2Cl-(aq)

Explanation:

CaCl2 + H2O Ca2+(aq) + 2Cl-(aq)

When CaCl2 is dissolved in H2O (water) it will dissociate (dissolve) into Ca+2 and Cl- ions.

The dissolution of calcium chloride is an exothermic process.

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3 years ago

Why is the solar system often referred to as the sun’s family ?

snow_tiger [21]

Answer:the suns family is stars think about how many stars are in the sky there are billons and more billions

Explanation:

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2 years ago

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Which element in period 4 has the highest electronegativity

Jet001 [13]

The element in period 4 of the Periodic Table with the highest electronegativity is krypton (2.96).

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3 years ago

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The reaction of HCl with NaOH is represented by the equation HCl( aq) + NaOH( aq) ® NaCl( aq) + H 2O( l) What volume of 0.631 M

Darina [25.2K]

8.04 mL.

<h3>Explanation</h3>

How many moles of NaOH?

Note the unit:

$V = 15.8 \; \textbf{mL} = \dfrac{15.8}{1000}\;\textbf{L} = 0.0158 \; \text{L}$ .

$n = c\cdot V = 0.0158 \times0.321 = 0.00507\;\text{mol}$ .

How many moles of HCl?

As seen in the equation, HCl and NaOH reacts at a 1:1 ratio.

$n(\text{HCl}) = n(\text{NaOH}) = 0.00507\;\text{mol}$ .

How many mL of HCl?

$V = \dfrac{n}{c} =\dfrac{0.00507}{0.631} = 0.00804\;\text{L} = 0.00804\times 1000 \;\textbf{mL} = 8.04\;\text{mL}$ .

5 0

3 years ago

Select all that apply.

inysia [295]

Answer: has zero mass

is an electron

has a -1 charge

is electromagnetic energy

Explanation:

A beta-particle is an electron emitted from the nucleus of an atom following the decay of a neutron into a proton. Beta rays are deflected by a magnetic field in a direction that indicates a negative charge, thus they are electromagnetic in nature.

The beta particle released is basically a electron with -1 charge and no mass.

General representation of beta particle in the form of $_Z^A\textrm {X}$ given as $_{-1}^0e$

where,

Z represents Atomic number

A represents Mass number

X represents the symbol of an element

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3 years ago