Cho 7 gam sắt tác dụng với HcL . VIẾst pt
tính thể tích h2
tính thể tích HCL 2M cần dùng

Identify and describe the three ways that mutations affect organisms.

What is the percentage composition of carbon in the compound ch4

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.