3 years ago

A substance that speeds up a chemical reaction without being part of the chemical change, itself:

Chemistry

1 answer:

allochka39001 [22]3 years ago

6 0

It is known as a catalyst

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If each of the following compounds/ions were placed between 2 electrically charged plates (one positive and one negative) Which

GREYUIT [131]

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2 years ago

True or false elements in the same colum have simular properties

AlexFokin [52]

True since ithave same number of electrons and protons

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3 years ago

What volume of chlorine gas (Cl2), measured at STP, can be produced by the decomposition of 73.0g of hydrogen chloride gas (HCl)

gayaneshka [121]

Answer:

Explanation:

2HCl = H₂ + Cl₂

2 mole 1 mole 1 mole

73 gram HCl = 73 / 36.5 = 2 mole of HCl

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3 years ago

For a school event 1/6 of the athletic field is reversed for the fifth -grade classes the reserved part of the field is divided

SVETLANKA909090 [29]

Answer:

$\frac{1}{24}$

Explanation:

Given:

For a school event, 1/6 of the athletic field is reserved for the fifth -grade classes and the reserved part of the field is divided equally among the 4 fifth grade classes in the school.

To find: fraction of the whole athletic field reserved for each fifth class

Solution:

Fraction of the whole athletic field reserved for four fifth classes = $\frac{1}{6}$