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Gre4nikov [31]
3 years ago
7

What common item can detect the presence of radiation? A. Bleach B. A roll of photographic film C. LED watch D. Baking soda

Chemistry
2 answers:
Alenkinab [10]3 years ago
6 0

Answer: B- a roll of photographic film

Explanation:

Founders education answer

Korvikt [17]3 years ago
4 0

Answer:

B

Explanation:

Answer to founders education

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What observed pattern proves that light is a wave.
Kobotan [32]

Answer:

light rainbow thru a window

Explanation:

5 0
3 years ago
The density of pure gold (Au) is 19.3 g/cm3. What is the mass of a block of gold that measures 1.2 cm x 4.00 cm x 3.20 cm? Pleas
N76 [4]

Answer:

296.448 g

Explanation:

Density:

we know that density of an object can be measured by dividing its mass to its volume.

Symbol:

The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m= mass

V= volume

Given data:

volume= 1.2 cm x 4.00 cm x 3.20 cm =15.36 cm3

density=  19.3 g/cm3

mass=?

Now we will put the values in the formula,

d=m/v

d x V= m

m = 15.36 cm3 x 19.3 g/cm3

m=296.448 g

so the mass of block of gold is 296.448 g

8 0
3 years ago
Calcium +oxygen in chemicals formulars
inna [77]

Answer:

CaO

Explanation:

Calcium has 2+ charge

Oxygen has 2- charge

5 0
3 years ago
Read 2 more answers
which of the following represents a compound? a. cl2 b. n2 c. co2 d. h2 user: which of the following represents an element? a.co
babunello [35]
C. CO2 is the compound (carbon dioxide) while N2 is the element (nitrogen)
6 0
3 years ago
The term "precision" BEST refers to which of the following?
strojnjashka [21]

Answer:

A.

Explanation:

the term precision refers to something that is has the most quality or good condition, being precise and exact.

5 0
3 years ago
Read 2 more answers
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