Shown is an infrared image of a star, Beta Pictoris. Why would scientists use infrared light to take this image instead of

A compound is 2.00% H by mass, 32.7% S by mass, and 65.3% O by mass

DanielleElmas [232]

I think the answer to ur problem is 4 my hitta

7 0

2 years ago

Given the following reaction: 3D(g) + E(g) + 2F(g) → 5G(g) + 4H(g)

evablogger [386]

Answer:

Explanation:

Hello,

The law of mass action, allows us to know the required amounts, thus, for this chemical reaction it is:

$\frac{1}{-3} \frac{d[D]}{dt} =\frac{1}{-1} \frac{d[E]}{dt} =\frac{1}{-2} \frac{d[F]}{dt} =\frac{1}{5} \frac{d[G]}{dt} =\frac{1}{4} \frac{d[H]}{dt}$

Now, we answer:

(a)

$\frac{d[H]}{dt}=4*\frac{1}{-3} *(-0.12M/s)=0.16M/s$

(b)

$\frac{d[E]}{dt}=-1*\frac{1}{5} *(0.2M/s)=-0.04M/s$

(c) Since no initial data is specified, we could establish the rate of the reaction as based of the law of mass action:

$r=\frac{1}{-3} \frac{d[D]}{dt} =\frac{1}{-1} \frac{d[E]}{dt} =\frac{1}{-2} \frac{d[F]}{dt} =\frac{1}{5} \frac{d[G]}{dt} =\frac{1}{4} \frac{d[H]}{dt}$

Thus, any of the available expressions are suitable to quantify the rate of the reaction.

Best regards.

4 0

3 years ago

In which type of chemical reaction do two or more reactants combine to form one product, only?

xenn [34]

In decomposition, two or more reactant combine to form one product only.

8 0

3 years ago

Which pair of molecules is not a polar bond? OA. N-O OO B. C-O C.O-H OD. 0-0

hodyreva [135]

Od. 0-0 does not pair of the Molecules bid it’s polar bond due to certain pairs of molecules not being present within its presentations

4 0

3 years ago

The elements in groups 1a through 7a are

REY [17]

The elements in groups 1a through 7a are called d. representative elements. The periodic table is organized according to increasing order of the atomic number of the elements. Groups have similar properties while the period of the elements determines the valence electrons in the outer shells.

3 0

3 years ago

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